noldus.com
Last updated: 7/25/2026valid
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# Noldus Information Technology > Noldus provides tools and solutions for behavioral research. We develop software, hardware, and integrated labs for studying human and animal behavior, used by researchers worldwide in neuroscience, psychology, consumer behavior, and more. ## Products - [CatWalk](https://noldus.com/catwalk): CatWalk XT is a complete gait analysis system for quantitative assessment of footfalls and locomotion in rats and mice. - [CatWalk Applications](https://noldus.com/catwalk/applications): Discover CatWalk XT applications in gait analysis, pain research, neurodegenerative disease models, and more. - [CatWalk Publications](https://noldus.com/catwalk/publications): Explore publications and research papers using CatWalk XT for gait and locomotion analysis. - [CatWalk Setup](https://noldus.com/catwalk/setup): Learn how to set up CatWalk XT for automated gait analysis in your research. - [DanioScope](https://noldus.com/danioscope): DanioScope is an all-in-one system for measuring physiological parameters in zebrafish larvae and embryo's - [DanioScope Applications](https://noldus.com/danioscope/applications): Discover DanioScope applications for zebrafish activity analysis, heartbeat detection, and body length measurement. - [DanioScope Publications](https://noldus.com/danioscope/publications): Explore publications and research papers using DanioScope for zebrafish larvae analysis. - [DanioVision](https://noldus.com/daniovision): Complete solution for zebrafish larvae activity and movement. Research many zebrafish parameters in this high-throughput environment. - [DanioVision Applications](https://noldus.com/daniovision/applications): DanioVision has been validated for a great variety of research applications. From light-dark arrays to startle response tracking. - [DanioVision Resources & Publications](https://noldus.com/daniovision/publications): Explore DanioVision publications and resources for zebrafish behavioral research and high-throughput screening. - [DanioVision Setup & Add-ons](https://noldus.com/daniovision/setup): Learn how to set up DanioVision for zebrafish observation, including add-ons and configuration options. - [EntoLab](https://noldus.com/entolab): Computerized system for automated high-throughput screening of insect behavior. Learn all about EntoLab on this page. - [EntoLab Applications](https://noldus.com/entolab/applications): A page describing some of the use cases of EntoLab - [EntoLab Setup](https://noldus.com/entolab/setup): A page describing the software and hardware of EntoLab - [EthoVision](https://noldus.com/ethovision): EthoVision XT is the worlds number 1 video tracker, accurately tracking rodents, zebrish and insects and automatically determing rondent behavior from video - [EthoVision Applications](https://noldus.com/ethovision/applications): EthoVision XT is ready to follow the movement, activity, and behavior of your animal. In other words, you can start tracking and detecting activity. - [EthoVision Resources & Publications](https://noldus.com/ethovision/publications): Explore EthoVision XT’s resources: extensive guides, case studies, and trainings to enhance your research. - [EthoVision Setup](https://noldus.com/ethovision/setup): Start your experiment in EthoVision XT from scratch or save time by using one of the predefined templates. - [FaceReader](https://noldus.com/facereader): Looking for an automatic analysis of facial expressions? FaceReader is the complete facial expression recognition software, used worldwide. - [White paper | FaceReader and eye-tracking](https://noldus.com/facereader-and-eye-tracking): Both eye tracking and facial expression analysis add substantial power to your research - [White paper | FaceReader - FACS](https://noldus.com/facereader-facs): Coding facial actions enables a greater awareness to subtle facial behaviors. Automate FACS coding using FaceReader - [White paper | FaceReader methodology](https://noldus.com/facereader-methodology): Free white paper on FaceReader Methodology. Learn more about to use FaceReader to your advantage. - [FaceReader Applications](https://noldus.com/facereader/applications): FaceReader is the most robust automated system for facial expression analysis - and it is also scientifically validated. Benefit from this complete end-to-end solution! - [Facial Action Coding System (FACS)](https://noldus.com/facereader/facs): Learn about the Facial Action Coding System (FACS) and how FaceReader automates Action Unit detection for objective facial expression analysis. - [FaceReader Publications & Resources](https://noldus.com/facereader/publications): Explore FaceReader publications, research papers, and resources for facial expression analysis. - [FaceReader Setup](https://noldus.com/facereader/setup): Learn how to set up FaceReader for automatic facial expression analysis in your research. - [NoldusCare](https://noldus.com/nolduscare): Maintenance and support is vital to any product. With NoldusCare you can rely on fast and reliable services that are available worldwide. - [NoldusHub](https://noldus.com/noldushub): NoldusHub is the all-in-one research tool for human behavior studies. Streamline your multimodal research from start to finish for insights into human behavior. - [NoldusHub Applications](https://noldus.com/noldushub/applications): With NoldusHub you get one central solution for setting up your behavioral research projects. Learn more about how use of NoldusHub in various applications. - [NoldusHub Setup](https://noldus.com/noldushub/setup): Learn how to set up NoldusHub for your behavioral research. One central solution for automatic integration, synchronization, and visualization of human behavior data. - [NoldusViso](https://noldus.com/noldusviso): NoldusViso is the all-in-one observation platform for behavioral research. Record, code, and analyze behavior with a single integrated solution. - [NoldusViso Applications](https://noldus.com/noldusviso/applications): Discover how NoldusViso is used across psychology, consumer behavior, education, UX research, and more. - [NoldusViso Setup](https://noldus.com/noldusviso/setup): Learn how to set up NoldusViso for your behavioral observation research. From hardware to software configuration. - [The Observer - Animal Behavior Research](https://noldus.com/observer-animal): Save time scoring behaviors and synchronize and analyze multiple signals at once. - [The Observer Applications - Animal](https://noldus.com/observer-animal/applications): Discover applications of The Observer XT in animal behavior coding, ethology, and neuroscience research. - [The Observer Publications - Animal](https://noldus.com/observer-animal/publications): Explore publications and research papers using The Observer XT for animal behavior studies. - [The Observer Setup - Animal](https://noldus.com/observer-animal/setup): Learn how to set up The Observer XT for animal behavior observation and coding. - [The Observer - Human Behavior Research](https://noldus.com/observer-human): The Observer XT is the professional event logging software for coding and analyzing behaviors in human behavior research. - [The Observer Applications - Human](https://noldus.com/observer-human/applications): Discover applications of The Observer XT in psychology, consumer behavior, education, and more. - [The Observer Publications - Human](https://noldus.com/observer-human/publications): Explore publications and research papers using The Observer XT for human behavior studies. - [The Observer Setup - Human](https://noldus.com/observer-human/setup): Learn how to set up The Observer XT for your human behavior observation research. - [PhenoTyper](https://noldus.com/phenotyper): PhenoTyper is the best instrumented home cage - [PhenoTyper Applications](https://noldus.com/phenotyper/applications): PhenoTyper has been used with many studies for a variety of applications. From long-term to short-term tests, PhenoTyper accommodates all - [PhenoTyper Publications](https://noldus.com/phenotyper/publications): Explore publications and research papers using PhenoTyper for home cage observation and behavioral phenotyping. - [PhenoTyper Setup](https://noldus.com/phenotyper/setup): How does PhenoTyper work and what do you need? On this page we explore the software and hardware aspects of PhenoTyper - [UltraVox](https://noldus.com/ultravox): UltraVox analyzes sound, including ultrasonic vocalizations made by rodents. You can identify and analyze calls in all kinds of animals. - [UltraVox Applications](https://noldus.com/ultravox/applications): Discover UltraVox applications for ultrasonic vocalization recording and analysis in rodent research. - [UltraVox Publications & Resources](https://noldus.com/ultravox/publications): Explore publications and resources for UltraVox ultrasonic vocalization analysis. - [UltraVox Setup](https://noldus.com/ultravox/setup): Learn how to set up UltraVox for recording and analyzing ultrasonic vocalizations. ## Solutions & Applications - [Autism Research](https://noldus.com/solutions/autism-research): Discover Noldus tools for autism research. Capture, code, and analyze behavior with objective, integrated solutions for human and animal studies. - [Behavioral Economics](https://noldus.com/solutions/behavioral-economics): Behavioral economics merges psychology and economics to explore how psychological factors influence economic decisions and human behavior. - [Cognition and Memory](https://noldus.com/solutions/cognition-memory): Learn more about learning, memory and cognition in animal research. Learning paradigms are an essential part of research in both rodents and zebrafish - [Consumer Behavior Research](https://noldus.com/solutions/consumer-behavior-research): Observational research and behavioral mapping is becoming more and more popular in consumer behavior research studies. - [Education & Training](https://noldus.com/solutions/education-training): How can you make sure students become the professional they want to be? Let them practice their skills and benefit from video feedback. - [Emotion Analysis](https://noldus.com/solutions/emotion-analysis): Emotions influence our behavior - from deciding what to eat and whether to buy a product to our interactions with others. - [Fear, Anxiety, and Depression](https://noldus.com/solutions/fear-anxiety): Anxiety, fear, and depression in rodents and fish are typical in a wide range of studies, including neuropharmacological studies. - [Gait & Locomotion](https://noldus.com/solutions/gait-locomotion): Gait an locomotion are important readout parameters for a variety of diseases. On this page you can read about what gait is and how to measure it. - [Home Cage & Welfare](https://noldus.com/solutions/home-cage-welfare): Learn all about long term behavioral observations in rodents. What it is, why you should consider it and how you measure behavior for a longer duration. - [Human Factors Research](https://noldus.com/solutions/human-factors): Human factors and ergonomics is the application of psychological and physiological principles to the engineering and design of products, processes, and systems. - [Neuroscience Research](https://noldus.com/solutions/neuroscience-research): Human neuroscience research requires software that combines and synchronizies different types of data . Noldus has the solutions you need! - [Psychology Research](https://noldus.com/solutions/psychology-research): Many people are fascinated by human behavior. Why do we act the way we do? How is our behavior influenced? - [Social Interaction](https://noldus.com/solutions/social-interaction): The study of social interaction can be done in a variety of set-ups, all having one thing in common: the study of behaviors between two or more animals. - [Ultrasonic Vocalizations](https://noldus.com/solutions/ultrasonic-vocalizations): Want to learn more about the significance and how to measure vocalizations in animals? On this page we tell you all about it. - [UX Research](https://noldus.com/solutions/ux-research): UX research focuses on discovering and understanding behaviors, needs, and motivations of users through observation, task analysis, and other feedback methodologies. - [Zebrafish Research](https://noldus.com/solutions/zebrafish-research): Zebrafish as a model for biomedical research. Noldus offers a wide array of solutions for research with zebrafish, both larvae and adult fish - [Zoology and Ethology](https://noldus.com/solutions/zoology): Learn all about how modern tools and systems can help you easily collect more valuable behavioral data. Noldus products have been used for many different species of animals. ## Research Areas - [Solutions for Animal Behavior Research](https://noldus.com/animal-behavior-research): Automate your animal behavior research, professional software, hardware, and solutions for high-quality data in academia, education, and industry - [Solutions for Human Behavior Research](https://noldus.com/human-behavior-research): Advance human behavior research with seamless data integration tools. Gain insights in psychology, education, UX, and more. Work smarter with our software! ## Resources & Guides - [The AV Lab: Buyer's guide and ultimate how-to](https://noldus.com/av-lab-guides) - [Labs | Complete integrated labs](https://noldus.com/labs) - [Consumer behavior lab | Human behavior research labs](https://noldus.com/labs/consumer-behavior-lab) - [Human Factors Usability Labs | Human behavior research labs](https://noldus.com/labs/human-factors-ux-lab) - [Multi-room lab | Human behavior research labs](https://noldus.com/labs/multi-room-lab) - [Multimodal Lab | Human behavior research labs](https://noldus.com/labs/multimodal-lab) - [Observation lab | Human behavior research labs](https://noldus.com/labs/observation-lab) - [Portable lab | Human behavior research labs](https://noldus.com/labs/portable-labs) - [Basic Behavioral Neuroscience in Rodents](https://noldus.com/rodent-neuroscience-ebook) - [A Buyer’s Guide to the Perfect Video Tracking Setup](https://noldus.com/video-tracking-buyers-guide) - [Basic Behavioral Neuroscience in Zebrafish](https://noldus.com/zebrafish-neuroscience-ebook) ## Company - [Why Noldus?](https://noldus.com/about) - [Ethics and animal testing](https://noldus.com/about-noldus/ethics-animal-testing) - [Ethics in facial expression analysis](https://noldus.com/about-noldus/ethics-facial-expression-analysis) - [Gender Equality Plan](https://noldus.com/about-noldus/gender-equality-plan) - [Modern Slavery Act - Transparency Statement](https://noldus.com/about-noldus/modern-slavery-act-transparency-statement) - [Data protection regulated in NoldusViso](https://noldus.com/about-noldus/security-legislation-noldusviso) - [Noldus | Contact us to discuss your research needs](https://noldus.com/contact) - [Newsroom](https://noldus.com/newsroom) ## Other Pages - [Innovative solutions for behavioral research](https://noldus.com/) - [White paper | How to set up a coding scheme](https://noldus.com/coding-scheme-setup) - [Conferences 2026](https://noldus.com/conferences) - [Customer Stories](https://noldus.com/customer-stories) - [Customer Story - AIXTRA](https://noldus.com/customer-stories/aixtra) - [Customer Story - Erasmus MC](https://noldus.com/customer-stories/aleksandra-badura-noldus-tools-sfn-2023) - [Customer Story - bcom, France](https://noldus.com/customer-stories/b-com) - [Customer Story - Baby and Child Research Center](https://noldus.com/customer-stories/baby-and-child-research-center) - [Customer Story - Hofstra University](https://noldus.com/customer-stories/behavioral-research-in-business-lab-hofstra) - [Customer Story - Donders institute for Brain, Cognition and Behaviour](https://noldus.com/customer-stories/bipolar-disorder-research-ethovision-xt) - [Customer Story - Plavicki Lab | Brown University](https://noldus.com/customer-stories/brown-university-plavicki-zebrafish) - [Customer Story - Ede Christian University of Applied Sciences (CHE)](https://noldus.com/customer-stories/che) - [Customer Story - Columbia University](https://noldus.com/customer-stories/columbia-university-behavioral-core-lab) - [Customer Story - Delaware Valley University](https://noldus.com/customer-stories/delaware-valley-university) - [Customer Story - Desjardins LabUX](https://noldus.com/customer-stories/desjardins-labux) - [Customer Story - DORC (Dutch Ophthalmic Research Center)](https://noldus.com/customer-stories/dorc-cerios) - [Customer Story - Fisher-Price Play Lab](https://noldus.com/customer-stories/fisher-price-play-lab) - [Customer Story - Gerlai Lab | University of Toronto](https://noldus.com/customer-stories/gerlai-lab) - [Customer Story - Heinrich Heine University](https://noldus.com/customer-stories/heinrich-heine-university) - [Customer Story - Liverpool John Moores University](https://noldus.com/customer-stories/john-moores-university) - [Customer Story - Leipzig University - Faculty of Education](https://noldus.com/customer-stories/leipzig-university-educational-psychology) - [Customer Story - Loma Linda University](https://noldus.com/customer-stories/loma-linda-university-measuring-long-term-behavior) - [Customer Story - MARIN - Maritime research institute](https://noldus.com/customer-stories/marin-human-factor-success-story) - [Customer Story - NeuroPore Therapies](https://noldus.com/customer-stories/neuropore-therapies) - [Customer Story - Radboud University](https://noldus.com/customer-stories/radboud-university) - [Customer Story - Secta Medical](https://noldus.com/customer-stories/secta-medical) - [Customer Story - Université catholique de Louvain](https://noldus.com/customer-stories/social-media-lab) - [Customer Story - Tech3Lab Montreal](https://noldus.com/customer-stories/tech3lab) - [Customer Story - University of Bologna](https://noldus.com/customer-stories/university-bologna) - [Customer Story - University of British Columbia](https://noldus.com/customer-stories/university-british-columbia) - [Customer Story - University of Groningen](https://noldus.com/customer-stories/university-groningen) - [Customer Story - University of Mons](https://noldus.com/customer-stories/university-mons) - [Customer Story - University of Western Ontario](https://noldus.com/customer-stories/university-of-western-ontario) - [Customer Story - University of Rouen](https://noldus.com/customer-stories/university-rouen) - [Customer Story - University of Toronto](https://noldus.com/customer-stories/university-toronto) - [Customer Story - University of Windsor](https://noldus.com/customer-stories/university-windsor) - [Customer Story - Université du Québec à Montréal - Neurolab](https://noldus.com/customer-stories/uqam-educational-research) - [Customer Story - Virginia Tech - Food Science & Technology](https://noldus.com/customer-stories/virginia-tech-food-science-technology) - [Customer Story - Wageningen University & Research](https://noldus.com/customer-stories/wur-eating-behavior) - [Data acquisition systems](https://noldus.com/data-acquisition-systems) - [Eye tracking | Capture participants' focus ](https://noldus.com/eye-tracking) - [Thank You - Noldus](https://noldus.com/form/thanks/contact) - [Grant Assistance Program](https://noldus.com/grant-assistance-program) - [White paper | Human behavior research labs](https://noldus.com/how-to-build-labs) - [How we use cookies](https://noldus.com/legal/cookies) - [General terms and conditions](https://noldus.com/legal/general-terms-conditions) - [Privacy policy](https://noldus.com/legal/privacy-policy) - [Website terms of use](https://noldus.com/legal/terms-use) - [Merging behavior and brain activity for enhanced research insights - Newsroom](https://noldus.com/newsroom/bitbrain-noldus-behavior-brain-activity) - [Noldus and Blackrock Neurotech sign agreement at SfN for official collaboration! - Newsroom](https://noldus.com/newsroom/blackrock-collaboration) - [Efficient Laboratory Animal moNitoring (ELAN) kick off - Newsroom](https://noldus.com/newsroom/elan-kick-off) - [FaceReader useful to improve Animal-Assisted Therapy - Newsroom](https://noldus.com/newsroom/facereader-useful-improve-animal-assisted-therapy) - [Noldus\' green roof reflects the dry summer season - Newsroom](https://noldus.com/newsroom/green-roof) - [Introducing NoldusHub, the all-in-one research tool for human behavior studies - Newsroom](https://noldus.com/newsroom/introducing-noldushub) - [Noldus achieves ISO 27001 information security certification - Newsroom](https://noldus.com/newsroom/iso-27001-certified) - [Noldus software in MARIN\'s Seven Oceans Simulator center - Newsroom](https://noldus.com/newsroom/marin-oceans-simulator-officially-opened) - [Monitoring our bees: why and how - Newsroom](https://noldus.com/newsroom/monitoring-our-bees-why-and-how) - [Lucas Noldus appointed as Fellow of the Netherlands Academy of Engineering - Newsroom](https://noldus.com/newsroom/nae) - [A new chapter for Noldus - Newsroom](https://noldus.com/newsroom/new-chapter-for-noldus) - [Noldus collaboration agreement Inscopix - Newsroom](https://noldus.com/newsroom/noldus-collaboration-agreement-inscopix) - [Noldus welcomes new CEO - Newsroom](https://noldus.com/newsroom/noldus-welcomes-new-ceo) - [Noldus teams up with Institut Pasteur to deliver new software for behavioral neuroscience research - Newsroom](https://noldus.com/newsroom/pasteur-live-mouse-tracker) - [Combatting wildlife crime using cutting edge video technology - Newsroom](https://noldus.com/newsroom/wildlife-forensic-academy) - [Noldus partners with Zhejiang Institute of Medical Device Testing - Newsroom](https://noldus.com/newsroom/zhejiang-institute-lab-opening) - [Subscribe to the Noldus Newsline - Behavioral Research Newsletter](https://noldus.com/noldus-newsline) - [Research Projects](https://noldus.com/projects) - [AIMS-2-TRIALS - Research Project](https://noldus.com/projects/aims-2-trials) - [AInCP - Research Project](https://noldus.com/projects/aincp) - [CANDY](https://noldus.com/projects/candy) - [COHABIT project page | Noldus](https://noldus.com/projects/cohabit) - [COMFOCUS](https://noldus.com/projects/comfocus) - [DERT](https://noldus.com/projects/dert) - [ELAN - Research Project](https://noldus.com/projects/elan) - [i-ACCESS MyRights](https://noldus.com/projects/i-access) - [INTENSE - Research Project](https://noldus.com/projects/intense) - [ISIDORe](https://noldus.com/projects/isidore) - [LoLiPoP - Research Project](https://noldus.com/projects/lolipop) - [MARSAI - Research Project](https://noldus.com/projects/marsai) - [NEWLIFE - Research Project](https://noldus.com/projects/newlife) - [SmartStressMonitor - Research Project](https://noldus.com/projects/smartstressmonitor) - [SmartStressMonitor](https://noldus.com/projects/SSM) - [TEATIME - Research Project](https://noldus.com/projects/teatime) - [Webinars](https://noldus.com/webinars) ## Blog - [Three arms, one decision: the Y-maze for learning and memory](https://noldus.com/blog/y-maze-learning-memory): The Y-maze is one of the most efficient tools for studying spatial and working memory. Learn how automated tracking transforms arm entries into clean, objective data across rodent and zebrafish models. - [5 coding-scheme decisions you cannot undo later](https://noldus.com/blog/5-coding-scheme-decisions-you-cannot-undo-later): A setup checklist for The Observer : the five structural choices that decide whether your scheme works on the first video or works against you. - [Lasting effects: studying early-life experience in insects](https://noldus.com/blog/lasting-effects-studying-early-life-experience-in-insects): Physiology and behavior can buckle under stress. Stressors experienced early in life may even have long-lasting effects. Because of their life span, insects are a very interesting model to test these effects in detail. - [Measuring social behavior in rodents: the power of EthoVision](https://noldus.com/blog/measuring-social-behavior-in-mice-the-power-of-ethovision-xt-18): Traditional behavioral assays of multiple animals often rely on manual or rudimentary methods. With EthoVision the world of measuring social behavior in rodents has been revolutionized. Read more in this why EthoVision is the best out of the box tracker. - [A personal journey in behavioral analysis: Thigmotaxis with DanioFlow](https://noldus.com/blog/a-personal-journey-in-behavioral-analysis-thigmotaxis-with-danioflow): Dr. Torres-Ruiz has developed a tool for analyze EthoVision data. Her program takes data and transforms it into simplified harmonized data for studying thigmotaxis in zebrafish. However, there is much more that could be achieved with DanioFlow. - [Noldus on the Road: animal conferences in 2026](https://noldus.com/blog/noldus-on-the-road-animal-conferences-in-2026): In 2026, Noldus will be attending conferences across behavior and neuroscience research, including events focused on rodents, zebrafish, and more. Visit us to connect with the team, discuss your setup, and get a first look at what we are developing next. - [NIH Grant Writing Series: Insider Tips for Funding Success - Part 4](https://noldus.com/blog/nih-grant-writing-series-insider-tips-for-funding-success-part-4): In this last post in the series, Dr William Gerin gives advice how to build a realistic budget, navigate new NIH policies, and write clearly and engagingly so reviewers understand and support your research. - [NIH Grant Writing Series: Insider Tips for Funding Success - Part 3](https://noldus.com/blog/nih-grant-writing-series-insider-tips-for-funding-success-part-3): In this series of blog posts, Dr William Gerin gives advice on how to choose the right collaborators, craft a compelling Specific Aims page, and prepare pilot data that convinces reviewers your research is feasible, important, and worth funding. - [Behavioral research explained: stimuli, emotion, interaction, and coding](https://noldus.com/blog/behavioral-research-explained-stimuli-emotion-interaction-and-coding): Explore key concepts that shape human behavior research. This post brings together essential ideas that help researchers study behavior with more clarity. - [Behind the scenes of a usability test](https://noldus.com/blog/behind-the-scenes-of-a-usability-test): Through usability testing, real user behavior comes into focus. It reveals hidden friction points and delivers insights that help shape better, more intuitive digital products. - [Understanding epilepsy through a new mouse model](https://noldus.com/blog/understanding-epilepsy-through-a-new-mouse-model): A new Frontiers in Molecular Neuroscience publication, coauthored by Noldus’ Jason Rogers, examines whether a very small cortical disruption can generate epilepsy. The study sought to explore how focal changes shape both neural function and behavior. - [What can I use DanioVision for?](https://noldus.com/blog/what-can-i-use-daniovision-for): Researchers use zebrafish of all life stages, from embryo's to full adults. These researchers do high-throughput research and are therefore in need of a good automated system. DanioVision is the best tool for this type of research. - [How new methods are transforming Autism Research](https://noldus.com/blog/how-new-methods-are-transforming-autism-research): Researchers apply behavioral and physiological tools in everyday environments to study autism as it truly happens. These real-world approaches bring research closer to daily life and deepen our understanding of human behavior. - [Eye tracking without the expensive hardware: powered by FaceReader](https://noldus.com/blog/eye-tracking-without-the-expensive-hardware-eyereader): Ever wondered what really catches someone’s eye? FaceReader now includes webcam-based eye tracking, giving you powerful insights into where people look, how they feel, and what drives their decisions. No extra hardware required. - [FAQ: tips and tricks for CatWalk XT](https://noldus.com/blog/faq-tips-and-tricks-for-catwalk-xt): We've compiled a list of the most asked questions by CatWalk XT users. For this blog we have asked our best trainers to answer these questions. Whether you are a beginner or a seasoned user, there is something here for everyone. - [Animal research assists in understanding fentanyl withdrawal symptoms](https://noldus.com/blog/animal-research-assists-in-understanding-fentanyl-withdrawal-symptoms): Drug overdose lethality has risen over the last years. Fentanyl is the biggest contributor to deaths in the USA. In this blog we explore the complications with researching fentanyl and how animal models provide much needed insights. - [Behavioral coding: What and how](https://noldus.com/blog/behavioral-coding-what-and-how): When you study human behavior, coding your data is the initial step to analyze data. Coding behavior enables you to evaluate your research questions and draw reliable conclusions. - [Surprising the senses: how unexpected flavors reveal consumer emotions](https://noldus.com/blog/surprising-the-senses-how-unexpected-flavors-reveal-consumer-emotions): What happens when your brain expects something sweet, but your mouth gets savory? Researcher Artur Głuchowski used this twist to uncover how we emotionally react to unexpected food. - [Left on read - how social rejection rewires the teenage brain](https://noldus.com/blog/left-on-read-how-social-rejection-rewires-the-teenage-brain): A recent study combined behavioral tracking with immunohistochemistry to research how a developing brain processes social exclusion. Keep reading to find out how EthoVision XT enables anxiety research. - [Scientific methods in human behavior research](https://noldus.com/blog/scientific-methods-in-human-behavior-research): Learn about the key scientific methods used in human behavior research. We explain quantitative and qualitative approaches, experimental design, and how researchers collect and analyze behavioral data. - [Rethinking skills training: less instruction, more action](https://noldus.com/blog/rethinking-skills-training-less-instruction-more-action): Can students learn nursing skills like bandaging just as well with fewer instructions? A recent study says yes. Using classrooms equipped with the Noldus Viso system, researchers compared two teaching approaches. - [The lonely brain: is resilience biologically encoded?](https://noldus.com/blog/the-lonely-brain-is-resilience-biologically-encoded): Social isolation causes depression to some, but not to everyone. With the use of EthoVision XT, researchers were able to research the biological processes underlying depression. Read this blog to learn more about their insights. - [From observation to insight](https://noldus.com/blog/from-observation-to-insight): Across research, education, and product development, labs need tools to capture and understand human behavior with precision. This blog shows how combining Viso and The Observer XT empowers teams to gain richer insights and make data-driven decisions. - [FAQ: Getting started with PhenoTyper](https://noldus.com/blog/faq-getting-started-with-phenotyper): What is the best lighting for my experiment? How do I clean my system? Can I use any bedding for my set up? These are all valid questions when you are starting out with PhenoTyper. In this blog we will cover some of the most asked questions. - [NIH Grant Writing Series: Insider Tips for Funding Success - Part 2](https://noldus.com/blog/nih-grant-writing-series-insider-tips-for-funding-success-part-2): In NIH grant writing, your collaborators can make or break your proposal. Learn how to choose the right team - those who bring expertise, credibility, and real value to your research and your reviewers. - [NIH Grant Writing Series: Insider Tips for Funding Success - Part 1](https://noldus.com/blog/nih-grant-writing-series-insider-tips-for-funding-success-part-1): In this series of blog posts, Dr William Gerin will provide advice for writing an excellent, award-winning NIH proposal. Topics include registration, prep, specific aims, formatting, the proposal itself, budgeting, collaborators, and different mechanisms. - [Tiny plastics, big problems: do nanoplastics affect neurodevelopment?](https://noldus.com/blog/tiny-plastics-big-problems-do-nanoplastics-affect-neurodevelopment): Nanoplastics are everywhere in the news nowadays. But how exactly do they influence our development. Researchers used DanioVision and EthoVision XT to track the development and behavior of exposed zebrafish. Keep reading to see their results - [7 things you need to know about FaceReader](https://noldus.com/blog/what-you-need-to-know-about-facereader): Are you looking for guidance in getting started with your facial expression analysis? Or want to get more out of your FaceReader setup? Keep reading to learn 7 essential things you need to know about FaceReader! - [Understanding social behavior](https://noldus.com/blog/understanding-social-behavior-from-observation-to-insight): Social behavior is everywhere—at home, at work, and in the classroom. Discover what it is, why it matters, and how observing it with the right tools leads to deeper insight into how people connect, communicate, and respond. - [Rat strain and sex matter in spinal cord injury research: insights from CatWalk XT](https://noldus.com/blog/rat-strain-and-sex-in-spinal-cord-injury-research-catwalk-xt): Researchers from the Central University of Michigan studied how different rat strains and sexes recover from spinal cord compression injuries, providing valuable insights into recovery variability and potential treatment consideration. - [Cats and human emotions: A stronger bond than we thought?](https://noldus.com/blog/cats-and-human-emotions-a-stronger-bond-than-we-thought): A recent study shows cats can detect human emotions through scent - especially fear - suggesting our cat friends might understand us more than we realize. - [Does infection cause memory loss?](https://noldus.com/blog/does-infection-cause-memory-loss): This article explores new research investigating a link between bacterial-induced inflammation and long-term cognitive impairment. Recent data obtained with the Noldus PhenoTyper and EthoVision XT suggests this relationship is worth investigating. - [Does obesity cause anxiety? ](https://noldus.com/blog/does-obesity-cause-anxiety): In this blog we explore the relation between a high fat diet and anxiety in rodents. Recent data obtained with EthoVision XT show that it might not be as clear cut as it once seemed. - [Understanding human behavior at Hofstra's Behavioral Research Lab](https://noldus.com/blog/hofstra-behavioral-research-lab): Discover how Hofstra University's Behavioral Research in Business Lab, directed by Dr. Anil Mathur, utilizes advanced methods like eye tracking and facial analysis to deepen insights into human behavior and business decision-making. - [What are stimuli in human behavior research? ](https://noldus.com/blog/what-are-stimuli-in-human-behavior-research): A stimulus is any object, event, or factor that influences human behavior. It can be something we see, hear, or feel, affecting our decisions and actions. But how do researchers use stimuli in behavioral studies? - [8 reasons why FaceReader outperforms OpenFace](https://noldus.com/blog/why-facereader-is-better-than-openface): In this blog post, we’ll break down why FaceReader outperforms OpenFace. We’ll focus on key aspects like accuracy, ease of use, and security—making sure you get reliable results without the hassle. - [7 Reasons to attend CHI 2025](https://noldus.com/blog/chi-conference): If you are working in HCI or UX, you are probably familiar with CHI. This conference is organized every year by the international society for Human-Computer Interaction, SIGCHI. Why you should attend CHI 2025? - [Why The Observer XT is the gold standard for behavioral research](https://noldus.com/blog/gold-standard-for-behavioral-research): In the ever-evolving field of behavioral research, having the right tools can make the difference between ordinary findings and groundbreaking insights. - [Decoding Gorillas’ gestures: Insights into primate communication](https://noldus.com/blog/decoding-gorillas-gestures-insights-into-primate-communication): Western lowland gorillas use gestures to negotiate and even display 'accents' in their communication. A new study explores these complex social interactions, offering insights into language evolution. - [What is Galvanic Skin Response?](https://noldus.com/blog/what-is-galvanic-skin-response): Understanding human emotions and physiological responses is a key focus in behavioral science. One insightful tool in this field is galvanic skin response (GSR). But what is galvanic skin response? A beginner’s guide to understanding GSR in research. - [Neuroscience conferences you should visit in 2025](https://noldus.com/blog/neuroscience-conferences-you-should-visit-in-2025): Conferences are a great place to network and learn. However, there are many different conferences to choose from. In this blog we have outlined our favourite conferences of 2025. - [Mealtime challenges in dementia: insight in difficulties](https://noldus.com/blog/mealtime-difficulties): Mealtimes can be a daily struggle for people with dementia, but understanding their challenges - and the power of nonverbal communication - can make all the difference. - [5 Must-read articles to explore human behavior and emotions](https://noldus.com/blog/explore-human-behavior-and-emotions): Studying human behavior reveals surprising insights about what drives our actions and emotions. In this blog, we share five insightful articles that explore what behavior is, how emotions are made, and the tools researchers use to study them. - [Eating behaviors in childhood obesity](https://noldus.com/blog/delayed-gratification-eating-behavior-children): Is time spent looking at food related to eating behavior? Researcher Lundquist and her colleagues studied the relationship between delayed gratification and consumption of food. - [Unlock the full potential of your research tools](https://noldus.com/blog/unlock-the-full-potential-of-your-research-tools): Unlock the full potential of your research with Noldus Academy. Discover expert-led courses, on-demand tutorials, and webinars that help you master Noldus software, boost efficiency, and ensure high-quality data collection. - [How to measure audience engagement](https://noldus.com/blog/benefits-of-implicit-and-explicit-measurements-of-engagement): Everyone wants to know if people are truly engaged with their content. But how do we accurately measure engagement? In this blog post, researchers from VicarVision share how they studied cognitive, affective, and behavioral engagement. - [Why sustained attention matters in infant development](https://noldus.com/blog/why-sustained-attention-matters-in-infant-development): How does sustained attention develop in infants and why is it crucial for learning? Learn about the latest research measuring attention through video and heart rate data. - [What is cognitive load, and how does it help us understand human behavior?](https://noldus.com/blog/cognitive-load-human-behavior): By exploring cognitive load, researchers gain insights into how people process information, respond emotionally, and manage decision-making. How cognitive load and one of its most reliable indicators, pupil dilation, is crucial in human behavior research. - [Validating FaceReader's attention detection: a reliable measure using gaze and head pose](https://noldus.com/blog/validating-attention-detection-facereader): Measuring attention is crucial across many fields, from marketing to user experience design and human-computer interaction. Learn more about how we validated custom expressions for attention in FaceReader. - [Reducing eating pace: a behavioral intervention for childhood obesity](https://noldus.com/blog/eating-pace-children-obesity): Studies on eating behavior play an important role in preventing childhood obesity. Faith and his team examined the effectiveness of a family-based behavioral intervention to reduce eating pace. - [SfN 2024: Noldus reflects on key trends in Neuroscience](https://noldus.com/blog/neuroscience-trends-2024): The Society for Neuroscience (SfN) 2024 conference is behind us! What did we spot as the latest trends? And will we be joining the conference again next year? - [5 examples of infant studies](https://noldus.com/blog/infant-studies): Researchers perform infant studies to properly monitor and understand all kinds of development factors. In this blog post, five examples of infant studies are highlighted. - [Understanding infants’ development of moral and social behavior](https://noldus.com/blog/infants-social-moral-development): At the Centre of Infant Cognition at UBC in Vancouver, researchers conduct independent studies as well as participate in ManyBabies projects to further understand the development of moral and social behaviors of infants. - [Facing the food of the future](https://noldus.com/blog/food-of-the-future): Insects are often termed the "food of the future," as they are a healthy and more sustainable alternative to conventional protein sources. But are we ready to face this new culinary frontier? - [Our gut microbiota influences how we feel](https://noldus.com/blog/gut-brain-vagus): Our guts are our second brain. But how does that work? Researchers implanted the gut flora of depressed mice into non-depressed mice and observed the results. - [Exploring the early development of referential gestural communication](https://noldus.com/blog/pointing-gestures-infants): Understanding the importance of pointing gestures can provide valuable insights into children's developmental progress and support their overall growth and learning. - [How to use facial expression analysis in pain research](https://noldus.com/blog/pain-research): As the world seeks more efficient research methods, automated facial expression analysis tools offer great potential for studying facial expressions. Could these tools be applied to pain assessment? - [Neuromarketing research: Innovative research methods and techniques](https://noldus.com/blog/neuromarketing): Get your face read, your brain measured, and your heart rate checked. Innovative research methods and techniques found their way into neuromarketing. - [Fake or real? AI illusions on the street](https://noldus.com/blog/ai-and-advertisements): In Faux Out-Of-Home (FOOH) advertisement, real-world images are combined with computer-generated imagery and shared on social media. What happens to consumers' perceptions and emotions when you disclose that AI was used? - [What is a placebo? And how does it work?](https://noldus.com/blog/how-does-a-placebo-work): The placebo effect reveals how belief alone can influence pain and symptoms. Recent research uncovers brain mechanisms, like the panacea effect, involved in this effect in mice - [Conference about techniques and methods for measuring behavior](https://noldus.com/blog/conference-measuring-behavior): With so many meetings, in so many fields of behavioral research, what makes the Measuring Behavior conferences stand out? - [Should you use a combination of modes to optimize behavioral studies?](https://noldus.com/blog/combination-of-modes): If you ask a scientist what they think of when you say, ‘behavioral study’, they will come up with wildly differing answers, depending on their own type of work. - [All the little things that affect your animals' behavior](https://noldus.com/blog/all-the-little-things-that-affect-animal-behavior): In behavioral research, even the smallest details can significantly influence the behavior of animals. Understanding these nuances is crucial for the accuracy of your data. - [5 tips to help behavioral researchers comply with privacy legislation](https://noldus.com/blog/viso-gdpr): Privacy legislation can mean extra concerns for behavioral researchers, but these tips make your life easier. - [How to increase attention in commercials for Gen-Z](https://noldus.com/blog/increase-attention-commercials-gen-z): Generation Z has the shortest attention span for commercials, yet they are becoming an increasingly important market segment. Understanding what captures their interest and how to engage them in commercials is crucial. - [Understanding phase dispersion in CatWalk XT](https://noldus.com/blog/phase-dispersions-explained): CatWalk XT 10.7 introduced circular graphs for phase dispersion and coupling. In this blog post we go over these parameters, and how they are calculated. - [How to study developmental psychology: methods, designs & tools](https://noldus.com/blog/how-to-study-developmental-psychology): What should you consider when setting up a study in the field of development psychology? Read on to learn more about methods, designs & tools. - [How FaceReader is validated in research](https://noldus.com/blog/how-facereader-is-validated-in-research): In this blog post, we'll dive deeper into the validity and different applications of FaceReader—the most robust tool for automated facial expression analysis. - [Human Factors and Ergonomics research in the spotlight](https://noldus.com/blog/human-factors-and-ergonomics): We want to set the spotlight on new developments and publications in Human Factors and Ergonomics research. From maritime simulation centers to the use of video observations in human factors research. - [Did you know about these tips and tricks in EthoVision XT?](https://noldus.com/blog/ethovision-tips): Whether you are a seasoned user of EthoVision XT or just starting out. There is always an opportunity to learn more about the best video tracking software available. - [The 5 best ways to use FaceReader: a systematic review](https://noldus.com/blog/5-best-ways-to-use-facereader): Facial expressions offer a rich source of information about human emotions. In this study, Elisa Landmann examines the best ways to collect, handle, and analyze FaceReader data in different areas of research. - [Why you want to find out if your customers are bored](https://noldus.com/blog/facereader-affective-attitudes): Emotions deeply influence our daily lives, shaping our moods and behaviors - including our decision making. That's why facial expression analysis is often used in consumer and behavior research. - [Student facial expression analysis while watching instructional videos](https://noldus.com/blog/student-facial-expression-analysis): Is boredom the opposite of interest? Lídia Vinczéné Fekete and her research team used FaceReader and The Observer XT to find out what makes students get bored and which elements encourage interest. - [Did you know you can (semi) socially house tethered animals?](https://noldus.com/blog/social-housing-tethered-animals): Socially housing tethered animals can be challenging, but also crucially beneficial to your study. Read more about how with our PhenoTyper we can solve that dilemma! - [5 reasons to attend Measuring Behavior 2024](https://noldus.com/blog/MB2024-animal): Measuring Behavior is the conference for all those interested in new methods and tools for measuring the behavior of people and animals. Have a look at all the great learning and networking opportunities you can have. - [How stress and emotions can affect performance](https://noldus.com/blog/how-stress-emotions-affect-performance): Medical first responders need to undergo extensive trainings to maintain and enhance their skills. Malfait and her team developed a methodology to measure the management of stress and emotions. - [Language development and joint engagement in children with Down syndrome](https://noldus.com/blog/joint-engagement-down-syndrome): In children with Down syndrome, delays in speech and language skills are common, while early social skills are relatively strong. How are these developmental milestones related? - [Psychology conferences in 2024 and 2025](https://noldus.com/blog/psychology-conferences-2024-2025): Conferences are an excellent way to combine work, learning, and social interaction. To help you plan your year, we've curated a comprehensive list of international psychology conferences for 2024 and 2025. - [How to use FaceReader in the lab](https://noldus.com/blog/how-use-facereader-lab): Are you interested in using automatic facial expression analysis in a standardized lab setting? Here are 5 tips to get you started! - [What makes Noldus special in measuring behavior?](https://noldus.com/blog/why-choose-noldus-measuring-behavior): Why do we write e-books, white papers and even this blog? What drives us in behavioral research? And why choose Noldus? - [Understanding the micro-dynamics of couples’ interactions](https://noldus.com/blog/understanding-micro-dynamics-couples-interactions): How do aspects of romantic relationships, such as communication and emotions, develop during real-time couples’ interactions? A study on this was conducted in the Department of Psychology at the University of Zurich. - [How does perception of brand authenticity affect ad performance?](https://noldus.com/blog/brand-authenticity-ads): For brands seeking to resonate with customers, being seen as authentic is vital. Using custom expressions in FaceReader, we explore how perception of brand authenticity relates to ad performance. - [CatWalk XT gait analysis vs treadmills](https://noldus.com/blog/catwalk-xt-gait-analysis-versus-treadmills): In this blog post, we will discuss how the CatWalk XT method and treadmill method for gait analysis differ from each other, and what you should consider about both methods when performing gait analysis. - [How to easily apply multimodal measurement during research with children](https://noldus.com/blog/integrating-multiple-data-streams): A child development researcher can encounter quite a few challenges when wanting to measure multiple data streams. How do you make that run as smoothly as possible plus integrate all data seamlessly? - [5 reasons that prove why a high-quality camera is essential for video tracking](https://noldus.com/blog/5-reasons-why-you-should-use-high-quality-cameras-for-video-tracking): In animal behavioral research, especially when we're looking at rodents and zebrafish, getting your behavioral analysis right is crucial. Top-notch camera technology therein is a must have. - [Using Baby FaceReader for automated analysis of infant emotions](https://noldus.com/blog/baby-facereader-automated-facial-expression-analysis): What if you had a way to understand a baby's unspoken needs? Analyzing facial expressions in infants helps researchers and caregivers understand more about the early development of emotions and social interactions. - [What is biometric research?](https://noldus.com/blog/what-biometric-research): Biometric research helps scientists uncover subconscious processes related to attention, cognition, emotion, and physiological arousal. - [The science behind your emotions](https://noldus.com/blog/science-of-emotions): Have you ever wondered where your emotions come from? Let’s dive into the science behind our emotions and discover how our brain and body work together to make us feel. - [Why you should use custom expressions in your facial expression analysis](https://noldus.com/blog/why-you-should-use-custom-expressions): Using custom expressions in facial expression analysis can unlock a deeper understanding of human behavior. How can you use custom expressions in different fields of research? - [The many uses of the PhenoTyper](https://noldus.com/blog/phenotyper-applications): With its new top unit, the PhenoTyper is even more versatile than before. Follow in the footsteps of those who have already added the PhenoTyper to their lab and learn all about its varied applications. - [How to develop your training and education facility](https://noldus.com/blog/how-to-develop-training-and-education-facility): The use of video in education can be very helpful to develop required technical skills, soft skills, and specialized knowledge. - [Research examples of developmental psychology](https://noldus.com/blog/research-examples-of-developmental-psychology): When you are studying developmental psychology, you’re studying how people grow and develop, all the way from childbirth to the end of their lifespan. What are examples of developmental psychology? - [Agricultural pesticides and Parkinson's Disease: current screening procedures](https://noldus.com/blog/proper-screening-for-toxins-parkinsons-disease): Parkinson's disease, what are its symptoms? What role do environmental toxins play in its development? And why should we be critical on current toxin research methods? - [How to debrief a training session](https://noldus.com/blog/how-to-debrief): What is debriefing, what to expect of debriefing, how to debrief a training session, and why is using a video feedback tool helpful? - [The Noldus SfN 2023 recap](https://noldus.com/blog/noldus-recap-sfn-2023): A quick recap of our SfN 2023. What were some common trends? And what did our trusted customer base most commonly ask for? Find out this and more in this blog! - [Unlocking the link between CNS infections and cognitive decline](https://noldus.com/blog/infections-cognition): Bacterial infections in the brain can have lasting effects even after recovery. In this blog we will look a study that used PhenoTyper and the CognitionWall to study the mechanisms behind this cognitive impairment. - [Observing effective leadership and teamwork](https://noldus.com/blog/observing-effective-leadership-teamwork): How do organizations, leaders, teams, and employees work together to ensure efficient improvements and effective changes? The OBCC team combined video-based behavioral observations and physiological measures to examine this. - [How to study social behavior and dyadic interactions](https://noldus.com/blog/round-robin-dyadic-interactions): Social behavior is often studied by psychology researchers using the Round Robin design, especially in dyads. It ensures that all participants in a group interact with each other. - [Neuroscience conferences you should visit in 2024](https://noldus.com/blog/neuroscience-conferences-2024): Conferences are a great way to connect and learn. Here you can find a list of our favorite neuroscience conferences taking place in 2024. - [How students can learn through hands-on experience](https://noldus.com/blog/observing-students-behavior): In the field of engineering, practical experience is highly important. Students need to work with state-of-the-art equipment. However, often resources are limited. Might Virtual Reality (VR) provide a solution? - [Facial mimicry and social cognition in children with autism spectrum disorder](https://noldus.com/blog/facial-mimicry-autism-spectrum-disorders): When we want to understand each other better, we tend to copy one another's facial expressions. How does this work in children with autism spectrum disorder? In this blog post, you’ll learn more about facial mimicry in ASD. - [What can you expect from Noldus at SfN 2023?](https://noldus.com/blog/noldus-at-sfn-2023-washington): Whether you are or aren't going to Neuroscience 2023, we would love to give you a sneak preview of our latest innovations! - [Zebrafish Research made easy: a dive into the Gerlai Lab](https://noldus.com/blog/gerlai-lab): Recently, we published a customer story on the Gerlai Zebrafish Lab in Toronto. In this blog we would like to tell you about the things we learned that could not fit into the video. - [Replacing rodents with insects in behavioral testing](https://noldus.com/blog/flies-fst): In this blog we delve into the use of flies as a new perspective for behavioral testing. How do they compare to rodents? And can conventional rodent tests be adapted to insects? - [From start to finish: decreasing abandonment when self-designing a product](https://noldus.com/blog/self-design-feedback-and-abandonment): Research shows that we like to design your own products, but often abandon the process before we're done. Does it help to provide feedback, and if so, what type of feedback works best? - [The value of tracking software: using EthoVision XT to monitor broiler activity](https://noldus.com/blog/poultry-behavior-tracking): What can EthoVision XT provide over manual observations? We explore that question in the context of a animal welfare study, where fly larvae were provisioned to broilers. - [Why measuring behavior is awesome (+3 examples to prove it)](https://noldus.com/blog/why-measuring-behavior-is-awesome): As ways to behave are numerous and we are a curious species, people have been measuring behavior for centuries now. So, why is measuring behavior awesome? These 3 examples prove it. - [8 reasons why EthoVision XT is the superior video tracking software](https://noldus.com/blog/ethovision-superior-video-tracking-software): Discover the unparalleled efficiency and user-friendliness of EthoVision XT, the superior video tracking platform in behavioral research, offering advanced features and worldwide recognition. - [Design your own product: consumer experience and abandonment behavior](https://noldus.com/blog/self-design-abandonment-behavior): Researchers Krause and Franke studied how our experiences change while designing our own products. How do these experiences influence whether we finish a product or abandon the process? - [Let's work together: mother-adolescent interactions in fragile X syndrome](https://noldus.com/blog/fragile-x-syndrome-mother-adolescent-interactions): All parents want their children to comply with their requests - for at least some of the time! What's the best way to request something when you have an adolescent boy with fragile X syndrome? - [The effect of environmental levels of lead on zebrafish development](https://noldus.com/blog/lead-exposure): Lead exposure has a negative influence on the developing brain and body. Zebrafish research allows us to understand the effects of lead poisoning on the different stages of life. - [Why use video feedback in education?](https://noldus.com/blog/why-use-video-feedback-in-education): By using video and audio recordings in education, students and educators can receive and benefit from direct feedback. The more personal and detailed feedback is, the easier it is for students to relate to. - [Using augmented toys to facilitate play in children with visual impairments](https://noldus.com/blog/augmented-toys-children-visual-impairments): How can we help children with visual impairments in their development of play and social interactions? Drs. Suzanne Verver and her team examined the effects of sound-augmented toys on peer play. - [Diving deeper: Obesity and Anxiety, a scientific perspective](https://noldus.com/blog/fish-anxiety-obesity): It seems that there is a relationship between poor mental health and obesity. But the exact reasoning is far from clear. Animal experiments can shed light on the situation - [Calcium imaging and measuring behavior](https://noldus.com/blog/calcium-imaging-measuring-behavior-benefits): What is calcium imaging, and how can you this technique to get a better understanding of complex rodent behavior? Read more about the basic principles and benefits of calcium imaging - [Understanding cognitive delays in infants with Down syndrome](https://noldus.com/blog/cognition-infants-down-syndrome): Did you know that Down syndrome is one of the most common chromosomal diseases in people? Researcher Fidler and her colleagues aim to understand more about early cognitive development in people with Down syndrome. - [Just the way I want it: a study on consumer experience in self-designing](https://noldus.com/blog/self-design-consumer-experience): Consumer research suggests that you value a product more when you design it yourself - like sneakers or a gift. So, why do we abandon the self-design process so often? Find out in this blog post! - [6 TED talks to kick off your academic year](https://noldus.com/blog/neuro-ted-talks): Let's get a good warming up for the new academic year. We have compiled six interesting neuroscience TED talks, ranging from optogenetics to AI, to inspire you in the new year. - [Behind the Scenes: Human Behavior Research Labs](https://noldus.com/blog/human-behavior-research-labs-in-action): Observation and analysis of human behavior is often done in labs. From babies to business, it can all be researched. Want to see how some of this research is done? Check out these amazing human behavior labs in action. - [A 5-HT1A agonist and NMDA antagonist against Parkinson’s disease](https://noldus.com/blog/receptor-interaction-parkinsons-disease): Reducing side effects of L-Dopa with 5-HT1A receptor agonists can improve motor activity in a Parkinson’s disease model when combined with NMDA antagonists. - [How to choose the best audiovisual lab for your project](https://noldus.com/blog/how-to-choose-the-best-audiovisual-lab): AV recordings are becoming more important in the fields of education, professional skills, training, and medical simulation. But what are the right tools for you? Learn how to choose the right AV lab for your project. - [Disclosure dilemma](https://noldus.com/blog/emotional-responses-disclosures-ads): Isabelle Leenders examined the influence of disclosures in influencer advertising on the brand attitudes and purchase intentions of young adults, mediated by their emotions and activation of persuasion knowledge. - [Everything you need to know about EthoVision XT](https://noldus.com/blog/everything-you-need-to-know-about-ethovision-xt): Over the last 25 years EthoVision XT has evolved from a video tracking software into an advanced, but user friendly, software platform. In this blogpost we tell you everything you need to know about EthoVision XT! - [Do we help students by surprising them?](https://noldus.com/blog/make-instructional-videos-more-engaging): The role and usage of instructional videos are increasing in higher education. The research team of Sass & Vinczéné Fekete investigated which features make them more or less engaging for students. - [Choosing the right parameters in CatWalk XT](https://noldus.com/blog/catwalk-meta-analysis): CatWalk XT provides the opportunity to study a variety of gait parameters. But, which parameters should you use for your mouse model? Read this blog to learn more! - [AI and deep learning: Responsible use of facial expression analysis](https://noldus.com/blog/ai-responsible-use-facial-expression-analysis): The European Parliament adopted its negotiating position on the first-ever regulation of AI. In this blog post, we explore how to use facial expression analysis responsibly and how it can contribute to scientific research. - [How maternal responses support child language development in adversity](https://noldus.com/blog/maternal-responses-child-language-adversity): Studies show that mothers’ responses to their children is crucial for their language development. How does this work for families facing adversity? Researchers Boulton, Levickis, and Eadle aimed to find out. - [Must-reads on psychology and behavioral coding](https://noldus.com/blog/psychology-must-reads): We've picked the best blog posts on psychology and behavioral coding from the Behavioral Research Blog. This curated summary lists some of our most useful and popular blog posts on psychology and behavioral coding. - [Why you should use FaceReader Online for your human behavior research](https://noldus.com/blog/why-use-facereader-online): Facial expression analysis can help to get objective insights into the emotions of humans. A great tool to use for this is FaceReader Online. - [FaceReader and different scientific theories on emotion](https://noldus.com/blog/scientific-theories-on-emotion): In this blog post, Tess den Uyl, PhD, Peter Lewinksi, PhD, and Amogh Gudi, PhD from VicarVision outline how FaceReader is designed with scientific rigor and in accordance with responsible AI principles. - [Why you shouldn’t use a black box to measure animal behavior](https://noldus.com/blog/black-box-research-tool-measuring-behavior): When studying animal behavior you should avoid using a research software tool that is a black box. What does that mean exactly? It should be easy and user-friendly, but also still flexible. - [How to measure emotions](https://noldus.com/blog/how-to-measure-emotions): Measuring or assessing emotions is not always straightforward and easy. How do we view the nature of emotions in the first place? - [How to train students in soft skills: Tools and Techniques](https://noldus.com/blog/how-to-train-students-soft-skills): It is essential to provide students with opportunities to develop their soft skills. In this blog post, we will explore some of the best tools and techniques for training students in soft skills. - [Why so angry? The role of context and function in facial expression analysis](https://noldus.com/blog/how-emotions-are-made-angry-face): Why do respondents show an angry facial expression when evaluating a website or product, when there is no reason to expect them to actually be angry? Read more in this sequel to the blog post "How emotions are made". - [The impact of handling technique on rodent welfare and scientific accuracy](https://noldus.com/blog/handling-rodents): Proper handling technique is essential in not only ensuring welfare, but also for reliable results. Check out this blog to learn more about how to handle rodents in an experimental setting! - [Examining parent-adolescent interactions during a career discussion](https://noldus.com/blog/parent-adolescent-interaction): As an adolescent you have no idea what awaits you in working life, what you are capable of. Looking for answers to these questions is part of the vocational development, in which parents play a crucial role. - [Breathe easy, a novel approach to monitoring respiratory activity in zebrafish](https://noldus.com/blog/breathing-danioscope): Researchers from the University of Heidelberg used DanioScope in a novel way to objectively measure breathing in zebrafish embryos and larvae. - [Resources on Psychology Research: Case Studies, Webinars and White Papers](https://noldus.com/blog/white-papers-psychology-research): At Noldus, we have dedicated ourselves to make the best tools to advance human behavioral research for over 30 years and love to share our knowledge with you! - [5 tips to optimize your facial expression analyses](https://noldus.com/blog/how-to-optimize-facial-expression-analysis): Are you involved in emotion recognition and facial expression analysis? These 5 tips will guarantee the best results! - [Understanding mouse social interaction using objective measures](https://noldus.com/blog/social-interaction-livemousetracker): Measuring social interaction is an important, but due to technical limitations, often overlooked part of behavioral research. Live mouse tracker was designed to alleviate this problem. - [How do people with antisocial and psychopathic traits process emotions?](https://noldus.com/blog/emotion-processing-antisocial-psychopathic): Understanding more about emotion processing in people with antisocial personality disorder and psychopathic traits can improve interventions. The team of researcher Kyranides studied how facial mimicry can help. - [How emotions are made](https://noldus.com/blog/how-emotions-are-made): Neuroscience research in the past decades has shown that our brain gives meaning to our experiences and sensations, through concepts such as emotions. - [Are fish empathic?](https://noldus.com/blog/empathy-in-fish): Ever wondered if fish can be empathetic towards each other? Find out in this blog how oxytocin plays a role in fish behavior! - [Noldus top tips! Our latest must-read animal blogs](https://noldus.com/blog/noldus-top-animal-blogs): Dive into our latest collection of top behavioral research blogs! Discover fascinating studies and learn how Noldus tools can advance your research. - [UX Research Tools for analyzing and visualizing your user research](https://noldus.com/blog/ux-research-tools): Planning and conducting user experience tests can be time-consuming. With these UX research tools you can take your user research to a higher level and save valuable time! - [Early-life stress and the onset of depression later in life](https://noldus.com/blog/early-life-stress-and-the-onset-of-depression): I had a chat with my old department at the University of Groningen to see what they are currently working on. Read more about their reseach into early life stress! - [Facts about FaceReader and automated facial expression analysis](https://noldus.com/blog/facts-about-facereader): There have been many statements about using automated facial expression analysis to assess emotions. Let’s take a look at what is actually possible and impossible to do with FaceReader, through a game of true and false. - [Examples of eye tracking lab set-ups](https://noldus.com/blog/eye-tracking-lab-set-ups): Can you imagine, in the 19th century the study of eye movements for instance was done by means of direct observations? Luckily, nowadays eye tracking can easily be automated. - [The challenges of measuring epilepsy in rodents](https://noldus.com/blog/eeg-measuring-epilepsy-in-phenotyper): EEG on freely moving rats? It's possible in the PhenoTyper. This was necessary to measure if delivering drugs directly to the brain could help epilepsy patients. - [The power of multimodal research in human behavior studies](https://noldus.com/blog/multimodal-research): By implementing multimodal research, scientists are hoping to gain a more complete and nuanced understanding of human behavior than is possible through the examination of any single modality. - [How to study human behavior](https://noldus.com/blog/how-to-study-human-behavior): Many people are fascinated by human behavior. Why do we act the way we do? How is our behavior influenced, or measured? And why is behavioral change so difficult? - [Using zebrafish as an early warning system of neurotoxic substances](https://noldus.com/blog/zebrafish-early-warning-system): How can we use a zebrafish (Danio rerio) embryo model to detect possible neurotoxic chemical mixtures that are difficult to detect with normal chemical analyses? - [How do people with Parkinson's disease express emotions?](https://noldus.com/blog/parkinsons-disease-facial-expressions): A mask-like facial expression is an early symptom of Parkinson's disease. How can we understand the relation between changed facial expressions and disease severity? Researcher Yang and their team used FaceReader to find out. - [A plant-based treatment for Alzheimer's disease?](https://noldus.com/blog/alzheimers-dioscin): Researchers are constantly looking for new ways to treat Alzheimer's disease. Can Dioscin, a plant-based steroid, decrease the symptoms in mice? - [What is behavior?](https://noldus.com/blog/what-is-behavior): What is behavior? Behavior is a fundamental aspect of human and animal life. In scientific terms, behavior is a subject of study within the field of behavioral research, which aims to understand different behaviors. - [In utero alcohol exposure, the effects on brain and behavior](https://noldus.com/blog/in-utero-alcohol-exposure): About 10% of women worldwide drink during their pregnancy. This could cause the fetus to suffer from fetal alcohol syndrome, which can lead altered tissue structures in the brain to motor deficits. - [Air pollution and brain development, mouse behavior gives insight](https://noldus.com/blog/Diesel-fumes-mouse-cognition): Air pollution can have major detrimental effects on health. But, what happens to brain development if a mouse is only exposed in early life. Researchers from the University of Washington studied just that. - [What is the connection between depression and rheumatoid arthritis?](https://noldus.com/blog/rheumatoid-arthritis-and-depression): Is depression in patients with rheumatoid arthritis caused only by the pain, or is something else also going on? - [How to make communication easier for children with severe motor impairments](https://noldus.com/blog/communication-made-easier-with-eye-gaze-assistive-technology): A decrease in the ability to make contact with others leads to limitations in communication. A Swedish research team investigated whether eye tracking assisted therapy could help children with motor impairments communicate. - [How to deal with noncompliant toddlers](https://noldus.com/blog/effects-modeling-collaboration-noncompliant-toddlers): We’ve all been there: getting a toddler to do what you want is a real challenge. What should you do in this situation? Researcher Larzelere and his team studied how behavioral modeling and collaborating can help. - [Zebrafish behaviors shows true effect of chemicals on aquatic animals](https://noldus.com/blog/cpc-zebrafish): Modern industrial processes, agricultural practices and domestic waste result in all sorts of chemicals getting into our waters. CPC is widely used. How does it affect the fish? - [Classical music affects affiliative behaviors in bottlenose dolphins](https://noldus.com/blog/classical-music-dolphin-behavior): Researchers from the University of Padova used The Observer XT to measure the behavior of dolphins when exposed to different types of enrichment. - [Measuring behavior of coral larvae in response to antifouling coatings](https://noldus.com/blog/measuring-behavior-coral-larvae): What effect do ship hull coatings have on coral viability and restoration? And how can non-toxic alternatives effect mobility behavior in coral larvae? - [Network and learn – our favorite neuroscience conferences in 2023](https://noldus.com/blog/neuroscience-conferences-2023): We’ve put together a short list of the best (behavioral) neuroscience conferences for you to attend. Opportunities to meet up and talk science! - [Extracellular vesicles from umbilical cords improve traumatic spinal cord injury](https://noldus.com/blog/new-treatment-spinal-cord-injury): Spinal cord injury is crippling and hard to treat. Secondary injury caused by inflammation and scarring significantly impact motor function and locomotion. Extracellular vesicles can improve recovery. - [How the ability to manage emotions shapes perception of risk](https://noldus.com/blog/emotions-risk-perception): Can our ability to recognize and control our emotions determine how dangerous we perceive certain hazards to be and whether or not we think we are at risk? - [Simulation-based training – it’s just like the real thing!](https://noldus.com/blog/simulation-based-training): By conducting training sessions, students in a simulation lab develop and maintain knowledge, skills, and competencies such as interviewing skills, working with certain equipment, and teamwork procedures. - [How to analyze different characteristics of olfaction in rodents](https://noldus.com/blog/mouse-olfactory-testing): Correct analysis of olfaction is crucial for an accurate interpretation of mouse social behavior. Today's guest article describes how to analyze different characteristics with the olfactory habituation/dishabituation test. - [Suture anchors for rotator cuff injuries: a new animal model](https://noldus.com/blog/suture-anchors-rotator-cuff-injuries-new-animal-model): Almost half of the people over the age of 60 have a rotator cuff tear in the shoulder. Research is aimed at improving surgical techniques, but techniques used in animal models differ from those applied on humans. - [The Hypothalamus is involved in locomotion? Complex dopamine circuitry uncovered](https://noldus.com/blog/hypothalamus-and-locomotion): By measuring locomotion and investigating dopaminergic neurons, complex dopamine circuitry is uncovered. How are amphetamine and our biological clock involved in this? - [3 debriefing steps to evaluate a training session](https://noldus.com/blog/debriefing-steps-to-evaluate-training-session): Debriefing digs into what and why things happened and explores implications for the future. You will gain insights in what to repeat and what to change. - [Understanding behavioral psychology with The Observer XT](https://noldus.com/blog/understanding-behavioral-psychology): What causes you to procrastinate, eat junk food, or form a habit? Questions like this, about the connection between our minds and our behavior, are studied in behavioral psychology. - [The New Jersey Families Study: unlocking the black box](https://noldus.com/blog/in-home-naturalistic-observational-study): Families are children's first teachers and home is their first school. Often we wonder or guess how such teaching is going. The NJFS, performed by the University of Princeton, offers insights. - [Does well plate size matter? A methodological study in zebrafish](https://noldus.com/blog/well-plate-size-zebrafish-behavior): The DanioVision observation chamber is a versatile research tool to study Zebrafish embryos and larvae by using well plates. Does the size of the wells in these plates affect study outcomes? - [New method for early detection of Alzheimer's disease](https://noldus.com/blog/ViS4M): The color x-maze can be used to pick up symptoms of Alzheimer's disease in AD-mice months before traditional cognitive tests. - [5 Animal blogs not about rats, mice or zebrafish](https://noldus.com/blog/5-animal-blogs): The scope of measuring behavior goes beyond rats, mice and (zebra)fish. As behavioral experts we love to also highlight research in animals such as mites, elephants, dolphins and shrimps. - [Home cage behavior and epilepsy in the Stargazer mutant mouse](https://noldus.com/blog/home-cage-tests-epilepsy-stargaze-mice): Using long-term home cage behavioral research, scientists successfully created a behavioral characterization of Stargazer mutant mouse, a model often used in epilepsy research. - [Examples of Human Behavior Research](https://noldus.com/blog/examples-human-behavior-research): We humans are an intriguing species and it's no wonder researchers have always been fascinated by human behavior. Here are some examples of human behavior research over the years. - [Tracking tiny transparent fish with EthoVision XT](https://noldus.com/blog/tracking-tiny-transparent-fish-with-ethovision): Danionella cerebrum, a recently discovered cyprinid fish, has the smallest known vertebrate brain. What are the behavioral differences or similarities to their zebrafish relatives? - [The importance of measuring infant behavior for early diagnosis of autism](https://noldus.com/blog/measuring-infant-behavior-diagnosis-of-autism): Most efforts to detect autism before the age of two rely on parental reports rather than infant behavior. - [What you need to know about the CatWalk gait analysis method](https://noldus.com/blog/history-and-technology-of-catwalk-xt): Let's take a little step back and talk about the history and technology of the CatWalk system. What was the reason of creating this gait analysis system for rats and mice? How does it work? - [The importance of a multi-method approach in infant behavior research](https://noldus.com/blog/multi-method-approach-infant-behavior): The study of infant behavior provides incredible insight into the field of psychology, developmental biology, neuroscience, and other social and life sciences. - [Using video tracking to study operant behavior in rodents](https://noldus.com/blog/using-video-tracking-operant-behavior): What is operant behavior? And how can we use software such as EthoVision XT to increase our understanding in the learning and memory processes involved in these studies? - [Using observational research to capture parent-child interaction](https://noldus.com/blog/observational-research-to-capture-parent-child-interaction): Researchers examined whether a combination of child and parental factors, such as the child's emotional temperament and parents' controlling feeding practices, influence food fussiness. - [(Un)social rats: the role of dopamine and the amygdala in social adversity](https://noldus.com/blog/dopamine-amygdala-social-adversity): With optogenetics and behavioral testing, researchers found a link between infant social adversity and decreased social behavior in the circuitry of the amygdala. - [5 Tips for writing better Horizon Europe grant proposals](https://noldus.com/blog/tips-better-horizon-proposals): Noldus has been a partner in many research projects, which means that we have a lot of experience writing grants. Read our tips for writing better grant proposals, based on our own practical experience. - [Better together or happier apart? The effects of housing on stress in mice](https://noldus.com/blog/the-effects-of-housing-on-stress-in-mice): Does housing mice on their own affect animal welfare and reduce experimental validity? How was EthoVision XT video tracking software used to automate this investigation? - [How music affects children’s development](https://noldus.com/blog/music-emotions-and-learning): Researchers dove deeper into building an understanding of the relationship between music and emotions and how music affects children’s development. - [How to observe adolescents and teachers in a classroom](https://noldus.com/blog/how-to-observe-adolescents-in-a-classroom): Many researchers focus on classroom interaction to learn more about group dynamics, teaching behavior, and student engagement. One of the research methods used is behavioral observation. - [The social interaction test: effortless and dependable with EthoVision XT](https://noldus.com/blog/social-interaction-in-fish-and-rodents): What is the social interaction test? This blog dives into this topic for fish and rodents. Why is social interaction important to measure, and how do we go about doing it? - [How do parenting practices relate to children’s nutrition risk?](https://noldus.com/blog/parenting-practices-nutrition-risk): Nutrition plays a vital role in children’s growth, development, and health. Researcher Walton and her team observed family mealtimes to gain a better understanding of children’s nutrition risk. - [5 steps to set up the perfect behavioral suite](https://noldus.com/blog/setting-up-the-perfect-behavioral-suite): Noldus is your partner in research, and with versatile tools such as our state-of-the-art video tracking software EthoVision XT, we can help you achieve that next crucial goal in your animal experiment(s). - [A story told: using an AV lab to teach skills for counseling psychology](https://noldus.com/blog/viso-lab-train-students-become-professional-counselors): Creating a great clinical space to train students was what Dr. Audrey Ervin, psychologist and teacher at Delaware Valley University, wanted to achieve. Read the story about how she handled this. - [True or false? 10 statements about gait research in rodents](https://noldus.com/blog/true-or-false-10-statements-gait-analysis): There are many ‘facts’ going around about rodent gait research tests and systems. How well they work, drawbacks, what they can and cannot measure. In this article, we get some of the facts straight. - [5 tips on how to measure facial expressions](https://noldus.com/blog/how-to-measure-facial-expressions): It may sound very simple, but recording video and playing it back enables more detailed analysis of facial expressions. 5 useful tips on how to measure facial expressions! - [How horse riding and gardening improve quality of life for people with dementia](https://noldus.com/blog/horse-riding-and-gardening-increase-quality-of-life-in-dementia): Quality of life is an important aspect of dementia care. Horse riding and gardening may provide positive emotional experiences and even enhance daily functioning. - [The circle is complete: Mites, trichomes, walking speed and EthoVision XT](https://noldus.com/blog/mites-trichomes-walking-speed-ethovision): In my previous life as Entomologist, I was a pioneer in video tracking with extremely small creatures. I worked with mites, which are about 0.5 mm in size. In fact, I was an overall pioneer in video tracking. - [Guest blog: Having a look at operant behavior](https://noldus.com/blog/having-a-look-at-operant-behavior): Scientists from Idorsia Pharmaceuticals in Switzerland provide an expert view on operant behavior, and how we can improve our understanding of this complex behavior with the help of video tracking. - [Must-see TED Talks on emotions](https://noldus.com/blog/ted-talks-on-emotions): Emotions are fundamental in understanding human behavior. Do you want to get a better understanding of emotions? We’ve put together a list of must-see TED Talks on emotions. - [Gender differences in rodent research](https://noldus.com/blog/summer-reading-list-rodent-gender-differences): Gender differences matter in research. Many studies focus on male mice, but female representation is crucial for accurate, inclusive, and impactful science. - [Behind the scenes at MARIN: research into human decision making](https://noldus.com/blog/MARIN-human-factor-research): One of the world's leading maritime research institutes: MARIN, took us on a tour in their ship bridge simulator. A great customer success story that highlights the importance of human factor research. - [Behavioral neuroscience in the circular economy: the contribution of Zebrafish](https://noldus.com/blog/behavioral-neuroscience-circular-economy-zebrafish): What do Zebrafish and sewage sludge have in common? In this blog their use as a screening tool is highlighted to asses the ecotoxicity in soil. - [Part 2: How researchers use the Morris water maze to find treatments for AD](https://noldus.com/blog/morris-water-maze-alzheimers-2): In this second part of a two-part mini series, we highlight two more studies on potential Alzheimer’s disease treatments that are investigated using a Morris water maze. - [Should you buy EthoVision XT? Reviews from our customers](https://noldus.com/blog/should-you-buy-ethovision-xt-an-honest-customer-review): Are you wondering if EthoVision XT might be the right tool for your study? In this blog we sum up some of our favorite and honest customer reviews about EthoVision XT. - [How researchers use the Morris water maze to find treatments for Alzheimer's](https://noldus.com/blog/morris-water-maze-alzheimers): In this first part of a two-part mini series, we highlight how potential Alzheimer’s disease treatments are being investigated using a Morris water maze. - [WHY use a Y-maze? Automating learning and memory tests in rodents](https://noldus.com/blog/y-maze-learning-and-memory-testing): Y-maze testing is exactly what you would think: a maze with three arms that maze rodents have to navigate on their way to food, shelter, or another reward. It is often used to test spatial learning, but why? - [Radial Arm Maze: The Basics](https://noldus.com/blog/radial-arm-maze): The radial arm maze is an apparatus consisting of a circular center compartment from which 8 equally spaced «arms» extend. Researchers use it to measure two forms of memory known as “reference memory” and “working memory.” - [How does communication with strangers develop?](https://noldus.com/blog/emotional-communication-infants): Various factors contribute to shaping social-emotional developmental trajectories, such as familiarity of the interaction partner, the child’s age, but also individual predispositions, such as temperament. - [10 reasons why AV tool Viso is beneficial for video feedback](https://noldus.com/blog/viso-tool-for-effective-video-feedback): Receiving real and honest feedback can be considered as a main source of learning. It will help evaluate your own learning process and identify gaps, which results in better achievements. - [Determining the best housing strategy for mice](https://noldus.com/blog/determining-the-best-housing-strategy-for-mice): When using animal models for scientific research, their welfare should be a priority. Here, we're looking at the effects of different housing strategies for mice, and how PhenoTyper provides researchers with insight. - [The relevance of emotions on the evaluation of a transactional website](https://noldus.com/blog/role-emotions-evaluation-website): A UX test is a method of evaluating a product or service by having users test it. Researchers studied how emotions influence opinions about a website by conducting UX tests. - [Top 5 Consumer behavior research on the Behavioral Research Blog](https://noldus.com/blog/top-5-consumer-behavior-research-blog-posts): Observational research is becoming more and more popular in consumer science and market research. From on-site behavioral observations in supermarkets to advanced multimodal lab studies. - [3 ways to use rodent gait analysis in CatWalk XT](https://noldus.com/blog/3-ways-to-use-rodent-gait-analysis-in-CatWalk-XT): CatWalk XT has been used for gait analysis in multiple studies and has helped experimental procedures for a number of neurological disorders and in lesion models. These 3 blogs tell you more about that! - [3 high impact papers about measuring anxiety in the Elevated Zero Maze](https://noldus.com/blog/measuring-anxiety-elevated-zero-maze): The elevated zero maze (EZM) is a variation on the elevated plus maze (EPM) and was created to eliminate the center region of the EPM. This blog highlights 3 studies that use the EZM to test for anxiety-like behavior - [Quantifying locomotion in rats using CatWalk XT](https://noldus.com/blog/quantifying-locomotion-in-rats-using-catwalk): Gait analysis is a powerful tool in evaluating behavioral and physiological changes in clinical and pre-clinical rodent models. - [5 EthoVision XT webinars for you to watch](https://noldus.com/blog/five-ethovision-xt-webinars-for-you-to-watch): In this blog you’ll find five webinars on EthoVision XT from five different angles. Each webinar will get you more in depth on how to use EthoVision XT in your own study or research. - [Using CatWalk XT to analyze variations in gait performance in adolescent mice](https://noldus.com/blog/analyze-variations-in-gait-performance): Rodents are the most common model organisms in biomedical research. Automated gait analysis provides a precise and objective means of analyzing behavioral and physiological changes in rodent models. - [Designing a behavioral coding scheme to identify complex trauma](https://noldus.com/blog/designing-behavioral-coding-scheme): In order to contribute to the development of diagnostic tools and a better understanding of the effects of complex trauma, Ana Granados and her team proposed a new coding scheme and tested its validity. - [What is the Barnes maze? A dry-land environment for testing learning and memory](https://noldus.com/blog/what-is-the-barnes-maze): The Barnes maze is a behavioral paradigm for testing learning and memory in rodents models for autism spectrum disorder, Alzheimer’s disease and ageing. How does it compare to the Morris water maze? - [6 reasons to go to the Measuring Behavior conference](https://noldus.com/blog/mb2020): Not sure if you want to go to MB2022? Read on... - [Examples of Animal Behavior Research](https://noldus.com/blog/examples-animal-behavior-research): Researchers in ethology are interested in understanding all aspects of animal behavior. We have highlighted some great examples of Animal Behavior Research on our Behavioral Research Blog. - [What is simulation-based training?](https://noldus.com/blog/what-is-simulation-training): Simulation-based training provides learners with an opportunity to test out different scenarios to see what works and to understand how they arrived at the right and wrong answers. - [7 ways to continue your research from home](https://noldus.com/blog/7-ways-to-continue-research-from-home): We have gathered lots of ideas and ways to facilitate working from home and to continue research projects. In this blog post, we will list these seven approaches for you. - [Unobtrusive observations](https://noldus.com/blog/unobtrusive-observations): Would you like to learn more about how to build an AudioVisual lab? Check out this ‘how to’ guide! Read tips & tricks to learn more! - [Studying zebrafish behavior using video tracking software](https://noldus.com/blog/zebrafish-video-tracking): When it comes to studying zebrafish behavior, video tracking software is the ideal tool. Here we highlight five recent posts about studies on zebrafish behavior where researchers applied video tracking software. - [5 blogs on why you should use video tracking in behavioral research](https://noldus.com/blog/why-use-video-tracking-behavioral-research): In this blogpost you can find an overview of our top 5 favorite blogs on why you should use video tracking in your behavioral research. - [Zebrafish attracted to superfish: video tracking sex differences in shoaling](https://noldus.com/blog/video-tracking-sex-differences-zebrafish-shoaling): Are images enough to evoke a shoaling response in zebrafish? Do males and females respond differently to shoals or the opposite sex? A recent study finds out. - [Environmental enrichment rescues autistic-like behaviors in mice](https://noldus.com/blog/environmental-enrichment-rescues-autism-mouse-model): A recent mice study from The Scripps Research Institute shows that behavioral therapy might still be successful in later diagnosis of ASD with macrocephaly, laying groundwork for successful late interventions. - [Early infant behavior development of hand preference](https://noldus.com/blog/measuring-hand-preference-infancy): There are many reasons to study the development of hand preference in infants. For one thing, being left-handed can be an advantage in one-on-one sports such as tennis. - [How to build a consumer behavior research lab?](https://noldus.com/blog/how-to-build-a-consumer-behavior-research-lab): In order to get off to a good start, it is best to describe the research or tests that are going to be performed in detail. - [Behavioral research shows how elephants like their new habitat at the Oregon Zoo](https://noldus.com/blog/behavioral-research-elephants-new-habitat): The elephants at the Oregon Zoo got a new and improved place to live. This 4-year study described in detail how the animals adapted and liked the new features of their habitat. - [Five studies showing the power of multi-modal data in behavioral research](https://noldus.com/blog/multimodal-data): The advantages of using multimodal data over a single modality are that it reveals deeper insights and also if one modality fails there can be enough redundancy in the data to still make sense of it. - [Predicting behavior from non-verbal communication](https://noldus.com/blog/predicting-behavior-from-non-verbal-communication): Suppose a darts player is ready to throw a dart while showing a smile on his face. Would he hit the attempted number of points as opposed to missing the shot if he looked grumpy? Research has been done to figure this out. - [Citizen science in research: studying contaminated drinking water with zebrafish](https://noldus.com/blog/citizen-science-zebrafish): Local residents, students and scientists joined forces to investigate harmful contaminants in drinking water wells in New England. Behavioral effects of these contaminants were studied in zebrafish. - [Parent-child interaction – research in a lab and on-site](https://noldus.com/blog/parent-child-interaction-research): Early in life, children are not capable of filling out a complete questionnaire or talking to an interviewer. - [7 tips to make coding behavioral data more fun](https://noldus.com/blog/7-tips-for-behavioral-coding): Coding behavioral data helps to understand what your data represents. But let's face it, it isn't much fun to do and it takes a lot of time. Here are 7 tips to make the coding process more effective. - [How to collect high quality data in an observation lab](https://noldus.com/blog/how-to-collect-data-in-an-observation-lab): Controlled conditions and accurate data recording are key in scientific success. A stationary observation lab provides these controlled conditions while allowing scientists to observe test participants unobtrusively. - [Advancing the novel object test: 3D printing and deep learning](https://noldus.com/blog/3d-printing-and-deep-learning): To improve standardisation and consistency in the novel object test, Spry et al designed the 'CapTouch' system: capacative objects that can automatically register interaction. But what about deep learning in EthoVision XT? - [Anxiety and Autism](https://noldus.com/blog/anxiety-and-autism): The EU-AIMS and AIMS-2-TRIALS projects have carried out some interesting studies teasing out the causes of anxiety in children with autism. - [Using the Observer XT to measure aggressive behavior in Dolphins](https://noldus.com/blog/aggression-in-dolphins): The Observer XT is often used in the field to score complex ethograms. This blog touches upon a study of the 'Wild Dolphin Project' that investigates aggresive behavior between two species of dolphins. - [Parent-child interaction in autism: play behavior](https://noldus.com/blog/parent-child-interaction-autism-play-behavior): Stephanny Freeman and Connie Kasari observed play behavior in an observation lab. They invited parents with their children to their observation lab and coded behavior in great detail. - [The open field test: A staple in behavioral batteries](https://noldus.com/blog/open-field-behavioral-staple): The open field test is a locomotor, exploratory and/or anxiety test. Can we measure all these behaviors in a simple enclosed arena? This is exactly what we talk about in this blog, and the discussion surrounding this. - [The influence of teachers' motivation behaviors on students' engagement](https://noldus.com/blog/students-engagement-motivating-teaching-behavior): The presence or absence of engagement determines the difference between success and failure. Does motivating teaching behavior keep students' focused and engaged? - [Scientific collaboration at its best: Home cage monitoring reviewed](https://noldus.com/blog/home-cage-monitoring-reviewed): The latest insights and views on home cage monitoring was reviewed by Grieco et al. A collaborative paper with an expert team on home cage behavior was published last week. This blog touches upon their findings! - [A critical view on the Forced swim test](https://noldus.com/blog/critical-view-forced-swim-test): The forced swim test (FST), a staple in depression research, has been under discussion for a while. What is the FST? How is it used? And why is it under discussion? Here we share our view on this topic - [The influence of ad-evoked emotions on brand attitudes](https://noldus.com/blog/influence-ad-evoked-emotions-brand-attitudes): Can brand authenticity generate positive emotions among consumers and turn into a positive brand attitude? - [Sunshine and romance: ultraviolet light enhances sexual behavior](https://noldus.com/blog/ultraviolet-light-enhances-sexual-behavior): Ultraviolet B rays in sunshine enhances our romantic passion. How this actually works is still largely unknown. Research at the Tel Aviv University provides new insights. - [Why use Virtual Reality in Neurosciences?](https://noldus.com/blog/virtual-reality-in-neuroscience): Virtual Reality may become an easy way to calibrate or standardize complex tasks in immersive environments. How can researchers easily apply VR? - [Entrepreneurs’ facial expressions & emotional contagion during investor pitches](https://noldus.com/blog/facial-expressions-emotional-mimicry): What is the influence of emotions in a decision-making process? Dinkla and Liebregts wondered if displaying joy and emotional mimicry play a role during pitches. - [What is DanioVision? A brief insight in zebrafish tracking](https://noldus.com/blog/what-is-daniovision): In this blog we provide a quick refresh on the topic of zebrafish, and how DanioVision contributes to this field. - [Altruism in rats, suspiciously human](https://noldus.com/blog/altruism-in-rats): A recent study by Bartal et al drove our curiousity to write this blog about altruistic behavior in rats. This study shows how this type of behavior is neurally linkend to the social functioning of humans. - [Do your emotions and moods change as you get older?](https://noldus.com/blog/what-induces-emotions-moods): Are emotions affected differently for younger than for older people? Researchers used FaceReader to complement self-assessments and objectify mood changes to answer this question. - [Furthering behavioral studies for understanding microbiota-brain insights](https://noldus.com/blog/microbiome-brain-research): How and to what extend do microbes in the gut affect the brain and behavior? Discover how they do this kind of research at UCLA. - [EthoVision XT and the Morris Water Maze: expert tips and tricks](https://noldus.com/blog/ethovision-morriswatermaze-tipsandtricks): Neuroscientist Colleen McSweeney, Ph.D. shares her expert knowledge on using EthoVision XT and the Morris Water Maze. From a brief history to valuable tips and tricks, here is all you need to know on automated tracking. - [5 proven ways to measure spatial learning in rodents](https://noldus.com/blog/5-ways-to-measure-spatial-learning-rodents): What is spatial learning, why is it important and how do we measure it? Here we dive into 5 different behavioral tests that specifically measure spatial learning and memory in rodents. - [Diver behavior captured with wearable cameras](https://noldus.com/blog/observing-diver-behavior): Observing the actual wreck diver behavior using video recordings made with wearables cameras, researchers aimed to enhance effective management strategies for underwater cultural heritages. - [Mimicking human decision-making in a mouse model](https://noldus.com/blog/decision-making-mouse-model): Choosing the appropriate behavioral test can be a challenge, but is very important. And sometimes, researchers will have to develop their own. - [Robust and reliable: Measuring anxiety in the Elevated plus maze](https://noldus.com/blog/robust-reliable-measuring-anxiety-elevated-plus-maze): Screening of anxiety-like behavior in the elevated plus maze becomes more reliable with Ethovision XT combined with the standardization of testing parameters and common practices. - [How to measure consumer behavior](https://noldus.com/blog/how-to-measure-consumer-behavior): Measuring consumer behavior enables you to really know your customers and get key insights into consumer preferences and buying behavior. We highlight four of these ways for you in this blog post. - [Challenging play behavior: does it still exist?](https://noldus.com/blog/analyzing-challenging-play-behavior): Although children tend to spend more time indoor in sitting activities, they need feelings of exhilaration for behavioral development. Researchers investigated how risky play behavior can be encouraged. - [How we turned our office into a living lab with a green roof](https://noldus.com/blog/green-roofs-research-biodiversity): Green roofs are becoming more and more popular around the world. These living roofs transform buildings into ecological systems that benefits its surrounding environment. - [Investigating facial expressions in autism and borderline personality disorder](https://noldus.com/blog/investigating-facial-expressions-asd-bpd): Within two specific populations researchers investigated the role of facial expressions on social interactions. - [Mice walking again after a complete spinal cord crush](https://noldus.com/blog/mice-spinal-cord-crush): Researchers from the University of Bochum achieved significant scientific results by making mice walk again after a complete spinal cord crush! Read more about it in this blog post. - [The role of entrepreneurs’ facial expressions to gain financial support](https://noldus.com/blog/role-entrepreneurs-facial-expressions): As an entrepreneur, attracting financial support is essential to get your start-up of the ground. How can positive facial expressions help to be more successful in a funding pitch? - [Screening plants for resistance to insect pests](https://noldus.com/blog/insect-resistance): EntoLab is a computerized system for automated screening of plants for resistance to sucking insects. It can accurately screen many different plant lines in a high-throughput manner. - [Observing and coding the behavior of siblings](https://noldus.com/blog/observing-and-coding-behavior-siblings): Would it help if your brother or sister is sitting by your side when you're in pain? Would that ease the pain, or provide some distraction? - [Vestibulopathy: movement and balance issues investigated in rats](https://noldus.com/blog/vestibulopathy-investigated-rat-model): It is hard to diagnose vestibulopathy, so a rat model was developed to study the progress of symptoms, from day one to day 30 after ear injury. Results can improve future human diagnosis and therapy options. - [Nearly impossible to video track: small shrimp](https://noldus.com/blog/gammarus): Gammarus shrimps are exceptionally difficult to track, but Noldus solved the puzzle, resulting in interesting insights into its ecology. - [How does handedness relate to infant language development?](https://noldus.com/blog/observing-analyzing-infants-handedness-language-abilities): Developing motor skills appears to be related to language abilities. The research team of Sandy Gonzalez investigated whether consistency in handedness predicts receptive and expressive language. - [Observing and analyzing repetitive movements in infants to detect autism](https://noldus.com/blog/repetitive-movements-infants-detect-autism): To examine if a specific repertoire of repetitive movements was present in children with autism, researchers used home videos to code the behaviors of the infants. - [Measuring consumer choice behavior](https://noldus.com/blog/measuring-consumer-choice-behavior): Two recent projects provide new insights into how best to measure the choices that we make. - [The role of mimicry in the development of social communication](https://noldus.com/blog/role-mimicry-development-social-communication): Children learn from interacting with others, especially their parents. For example, reproducing the emotions that others express is part of that. - [Learn about people's behavior by observing them](https://noldus.com/blog/learn-about-people-observing-them): An observation or usability lab allows researchers to observe test participants unobtrusively, in an environment similar to the participant’s natural surroundings. - [Creating a custom expression for engagement: a validation study with FaceReader](https://noldus.com/blog/custom-expression-engagement-validation-study): The concept engagement is gaining more and more attention. Many companies are looking for ways to increase consumer engagement. But, how do you know a consumer is feeling engaged? - [Getting robust results: one zebrafish is not like the other](https://noldus.com/blog/robust-results-intra-individual-locomotor-patterns-zebrafish-larvae): Zebrafish larvae locomotor behavior often has a high variability, which can have a big impact on your results. Still, it is one of the most used parameters. So how can you make your study more robust? - [Emotional responses to winning a paralympic medal](https://noldus.com/blog/emotional-responses-winning-medal): Guest blogger Jeffrey J. Martin conducted a study to examine the emotional reactions of Paralympians right after winning a medal, using automated facial expression analysis. - [How behavioral core facilities advance research](https://noldus.com/blog/core-facilities-advance-behavioral-research): Behavioral cores benefit universities as well as science in general. Recent cases show improved reproducibility of tests and protocols to assess a more complex phenotype of model animals. - [Why a clear mask is essential for clearer communication](https://noldus.com/blog/clear-masks-essential-for-clearer-communication): For people who are deaf or hard of hearing, it is essential to be able to see the movements of the mouth while communicating. With the help of clear masks they can access the full facial expressions. - [Three ways to understand consumer emotions](https://noldus.com/blog/understand-consumer-emotions): Many companies are seeking ways to understand consumer emotions in order to predict product acceptability. Here are three ways you could set up your study to assess consumer emotions. - [A new sensory and motor scale for the CIA arthritis mouse model](https://noldus.com/blog/arthritis-new-scale): Dr. Bonnefont and her colleagues at IRMB in France just recently proposed a new ArthriSM scale to predict motor and sensory functional deficits in arthritis mouse model. Read more about it in her blog post! - [Video recording used in psychology](https://noldus.com/blog/video-recording-used-in-psychology): Understanding behavior during an interaction becomes much easier with video observations, and enables students to watch and learn. - [Exploring learning experiences of undergraduate nursing students](https://noldus.com/blog/learning-experiences-nursing-students): Simulation-based training sessions are essential in healthcare education. How do nursing students experience the use of a virtual interactive digital simulator compared to a human patient simulation? - [Studying spatial learning and memory with Cincinnati Water Maze](https://noldus.com/blog/cincinnati-water-maze): Studying spatial learning and memory is important to develop treatment for Alzheimer's and other diseases influencing on orientation and navigation. One way to study it is with Cincinnati Water Maze. - [What can you use eye tracking for?](https://noldus.com/blog/what-can-you-use-eye-tracking-for): Eye tracking is a technique which records what you are looking at. With more complex analysis, it can give all sorts of information about a subject's mental state. - [The relationship between social hierarchy and social stress](https://noldus.com/blog/relationship-between-social-hierarchy-social-stress): Today, Deepika Patel kindly shares her research on social structures with us. She investigated rat behavior in detail, using several test paradigms. - [Measuring the intensity of emotional response to political advertisement videos](https://noldus.com/blog/intensity-emotional-response): To convince voters, all kinds of strategies can be used to stimulate the electorate. Researcher Dias and his team evaluated how voters respond to changes in the scenario of videos of political propaganda. - [A to Z on optogenetics and video tracking studies](https://noldus.com/blog/a-to-z-on-optogenetics-and-video-tracking-studies): Optogenetics allow researchers to either activate or inhibit neurons in the brain. To see how this affects behavior, you need to record that behavior and synchronize it with the stimulation. Here's how. - [The role of facial expression of emotion in joint activities](https://noldus.com/blog/role-facial-expression-emotion-joint-activities): How does emotion expression guide interactive value learning and interactive corrective action selection? Dr. Robert Lowe investigated this and shares his findings in this guest blog post. - [Discussing uncertainty during cancer genetic counseling](https://noldus.com/blog/discussing-uncertainty-during-cancer-genetic-counseling): Getting screened preventively to find out whether a genetic predisposition increases the chance of developing cancer, causes great uncertainty. Which communication manners help to deal with this? - [Studying shrimp feeding behavior and why it’s important for aquaculture](https://noldus.com/blog/studying-shrimp-feeding-behavior): Shrimp is a popular dish, and these crustaceans are a very large part of commercial aquaculture. Especially Pacific white-leg shrimp, as they grow fast and are able to adapt to a wide range of environments. - [Father’s genes affect their offspring’s future success](https://noldus.com/blog/fathers-affect-offspring-fitness): The early life environment of male bank voles can influence their offspring significantly. Both social stress and nutrient supply have an effect on the chances of survival for two generations. - [Screening insecticides for efficacy or tolerance](https://noldus.com/blog/screening-insecticides): Maarten Jongsma and colleagues use EntoLab to detect changes in insect behavior that provide a sensitive method for identifying and quantifying resistance development. They tested this approach with pyrethrins against aphids. - [Identification of an aphid resistance gene in Arabidopsis](https://noldus.com/blog/screening-insect-resistance-aphids): Karen Kloth used EntoLab in her research on the genetic basis of plant resistance to aphids. Genome-wide association mapping of aphid behavior on 350 natural Arabidopsis accessions led to the discovery of a new gene. - [High-throughput screening of beneficial insects](https://noldus.com/blog/screening-beneficial-insects): Jessica de Bruijn used EntoLab for automated high-throughput screening of parasitic wasps in individual olfactory 2-choice tests. Various behavioral parameters were measured to compute a memory retention index. - [Identification of thrips resistance in Arabidopsis](https://noldus.com/blog/screening-insect-resistance-thrips): Maarten Jongsma explains how he used EntoLab to facilitate insect choice assays and automate the acquisition and analysis of movement tracks. Two Arabidopsis accessions were tested for resistance to western flower thrips. - [How to conduct research with human participants during COVID-19](https://noldus.com/blog/research-human-participants-covid-19): Are you going to pick up research with human participants again? Here are some useful tips to ensure safety and hygiene in a corona-proof lab. - [Decoding memories during day and night](https://noldus.com/blog/decoding-memories-during-day-and-night): Unraveling the role of protein synthesis in memory storage across the day and night in a mouse model - how researchers are gaining insights into sleep deprivation and its consequences. - [CatWalk XT: Valid tool for objective gait analysis in TBI mice model](https://noldus.com/blog/gait-analysis-tbi): Many people suffer from TBI and consequently also long-term gait and motor function deficits. For this reason, functional outcome became the focus when developing new treatment strategies for TBI. - [Alexa, Siri, Google – Are voice assistants the future of marketing?](https://noldus.com/blog/voice-assistants-future-of-marketing): Voice assistants – they are found in almost every aspect of our daily lives. Elaine Mathe studied how users interact with voice assistants and what emotions they show in response to played ads. - [Simulation-based training in times of crisis](https://noldus.com/blog/simulation-training-improving-response-coronavirus): Simulation can be a useful tool in the development of new standard operating procedures and policies needed to respond to crises like COVID-19. - [The eyes have it: face masks and non-verbal communication](https://noldus.com/blog/eyes-important-part-communication): When seeing another person wearing a face mask, humans have to rely on visible facial signals, which are the eyes and eyebrows. Looking someone in the eye is an important part of communication. - [How to unravel the long-term memory of cuttlefish: automated video tracking](https://noldus.com/blog/video-tracking-cuttlefish): Did you know that cuttlefish have three hearts, have such an advanced vision that they can see what’s behind them, and can count to five? - [The Internet of Things, LoRa, 5G, and measuring behavior](https://noldus.com/blog/internet-of-things): New techniques for connecting sensors will provide opportunities for researchers measuring behavior. - [Learning how to use software for video tracking in animals](https://noldus.com/blog/learning-software-for-video-tracking-in-animals): A couple of months ago, we had the pleasure to visit the University of Groningen to record a customer success story. - [CFI Exceptional Opportunities Fund – COVID-19](https://noldus.com/blog/cfi-exceptional-opportunities-fund-covid19): The Canada Foundation for Innovation (CFI) has issued an Exceptional Opportunities Fund (EOF) in the fight against the coronavirus SARS-CoV-2, known as COVID-19. - [UX / Neuroscience lab in the spotlight](https://noldus.com/blog/ux-neuroscience-lab-in-the-spotlight): After a successful launch in June 2019, the LabUX team has been designated the innovation of the year for the digital transformation at Desjardins. - [Researching comorbidity in patients with autism spectrum disorder](https://noldus.com/blog/comorbidity): Patients with autistic spectrum disorder also tend to have other disorders like epilepsy. Why is that and how can understanding that help us understand autism? - [Taking opioids during pregnancy: short- and long-term consequences in rats](https://noldus.com/blog/consequences-of-opioids-during-pregnancy-on-rat-pups): Women worldwide are suffering from opioid addiction. Many receive so-called opioid-maintenance therapy using bup, but consequences for both mother and baby are largely unknown. - [Homology and analogy in behavioral neuroscience](https://noldus.com/blog/homology-and-analogy-in-behavioral-neuroscience): The point of this blog is to encourage you, as researchers, to ‘double think’, which is to say think like a scientist and think like an animal. - [Noldus Grant Assistance Program launched in North America](https://noldus.com/blog/grant-assistance-program-north-america): Grant funding is the lifeblood of academic research. Is successful funding the best path to securing future funding? - [Let the software work for you!](https://noldus.com/blog/ethovision-xt-let-the-software-work-for-you): Why spend extra time on tedious tasks? Instead of manually checking behavior tracking data for errors, streamline your workflow with the right tools. Gain accurate insights effortlessly and focus on what truly matters: your research and discoveries. - [Organized chaos or well-oiled machine? Optimizing safety & efficiency in an OR](https://noldus.com/blog/optimizing-safety-efficiency-or): Dr. Joseph and her team searched for solutions to minimize flow disruptions in Operating Rooms and make them as safe and efficient as possible. - [Toxicometabolism and behavior of zebrafish exposed to cannabinol](https://noldus.com/blog/toxicometabolism-and-behavior-of-zebrafish-exposed-to-cannabinol): THC and CBD are well-know compounds of cannabis (Cannabis sativa), use for recreational purposes or health benefits. We have less knowledge of the effects of another active compound: CBN. - [STAY AT HOME!](https://noldus.com/blog/stay-at-home): What is the best way to communicate an important message such as 'Stay at home'? The research team of Mauri compared the emotional reactions to three short videos containing this message using FaceReader. - [Improve the interaction between parent and child with autism](https://noldus.com/blog/improve-interaction-parent-child-autism): Children with ASD are three times as likely to exhibit disruptive behavior as their typically developing peers. Can PCIT help coping with behaviors such as defiance, stubbornness, and temper tantrums? - [Gait analysis after a bone fracture](https://noldus.com/blog/gait-analysis-bone-fracture): Recovery after a bone fracture is more than just healing bone and soft tissue. Research on gait analysis is necessary in order to improve knowledge about bone regeneration and rehabilitation after lower extremity fractures! - [Cognitive neuroscience: Behavior](https://noldus.com/blog/cognitive-neuroscience-behavior): We are in a pandemic where most of us are forced to change our daily behavior. Fortunately, we have our neocortex: it gives us considerable flexibility and creativity in adapting to a changing environment. - [The role of emotional expressions after face transplant](https://noldus.com/blog/role-emotional-expressions-after-face-transplant): “Would undergoing a face transplant have any value to it if somebody across the room couldn’t tell you were happy by just looking at you?” - [4 recent blog posts about understanding autism spectrum disorder](https://noldus.com/blog/4-recent-blogs-about-understanding-autism): Our understanding of autism spectrum disorder (ASD) has developed a great deal over recent years, but there is still much work to be done. - [Assessing motor outcome in rats with peripheral nerve injury](https://noldus.com/blog/motor-performance-femoral-nerve-injury): At LBI Trauma, CatWalk XT is one of the most important tools to evaluate functional recovery in different animal models. Read more about what they found to be key factors when studying motor performance in rats with femoral nerve injury. - [Four ways to study visitor behavior](https://noldus.com/blog/study-visitor-behavior-on-site-living-lab): Museums, zoos, theme parks, and aquariums all observe the behavior of their visitors in order to find the best ways to entertain and educate. - [Antidepressants during pregnancy: effects on offspring social behavior](https://noldus.com/blog/antidepressants-during-pregnancy-offspring-behavior): Many depressed women struggle with this: can I use antidepressants during pregnancy? The lab of Jocelien Olivier studies the effects of SSRI's on offspring behavior in an animal model. - [Consumer behavior research in the spotlight: consumption behavior](https://noldus.com/blog/measure-disgust-gut-wrenching-movies): Why do we drink less when watching gut-wrenching movies? How does exposure to moral violations influence consumption? - [How bank voles take the future into account](https://noldus.com/blog/bank-voles-cross-generational-scent-behavior): Bank voles are often exposed to predator odor and alarm pheromones. This perceived predation risk may cause cross-generational behavior changes, which seem to be context-dependent on their in utero exposure. - [A coding scheme to capture interactive behaviors during triadic consultations](https://noldus.com/blog/development-coding-scheme-to-capture-interactive-behaviors): The research team of Yuan developed and refined a coding scheme which can serve as a tool to identify specific triadic communicative strategies that are effective in improving children’s engagement and reducing distress. - [Working from home strategies](https://noldus.com/blog/working-from-home-strategies): In the midst of an unprecedented global pandemic, many people find themselves in a particularly novel situation in the coming days and weeks: working from home. - [Livestock Research: Tracking sheep to learn their behavior](https://noldus.com/blog/tracking-sheep): We recently installed TrackLab at Aberystwyth University in Wales, UK, for the tracking and detailed analysis of the spatial behavior of sheep. - [Non-invasive home cage testing of epilepsy in mice](https://noldus.com/blog/home-cage-study-epilepsy-mice): Epilepsy is more than seizures; behavioral changes that occur in between seizures are rarely assessed. A new home cage study from the Baylor College of Medicine aims to change this. - [Traumatic Brain Injury: effects on the brain and motor coordination](https://noldus.com/blog/tbi-effects-brain-motor-coordination): Do you think of wearing a helmet while skiing, cycling or horseback riding? Read more about how the brain is affected after the head injury and how you can examine locomotion in a mouse model with TBI. - [Saying Ouch Without Saying It: Measuring Painful Faces](https://noldus.com/blog/measuring-painful-faces): What happens when we’re in pain, real physical pain, but we cannot tell someone where or how badly it hurts? We can look at the facial expression! - [The role of parent-child interaction on child development](https://noldus.com/blog/role-parent-child-interaction-child-development): When children face cognitive and motor delays, they are often unable to reach developmental milestones at the expected times. Does this influence the interactive behaviors of parents and children? - [How does heat stress affect the health and welfare of dairy cows?](https://noldus.com/blog/heat-stress-cows-health-welfare): When environmental temperatures rise, livestock animals, such as dairy cows, are vulnerable to heat stress. Researchers Polsky and von Keyserlingk reviewed how heat stress affects animal productivity, health, and welfare. - [Testing motor coordination in a mouse model with muscular dystrophy](https://noldus.com/blog/motor-coordination-muscular-dystrophy): Muscular Dystrophy is a broad group of diseases recognized by the loss of muscle mass and strenght. Researchers tried to discover if gene therapy strategies can help with reducing symptoms. - [For Pete’s Sake: Measuring Frustration](https://noldus.com/blog/measuring-frustration): Within the field of human factors and usability, frustration poses an interesting challenge. It can be a barrier for learning. So how can we measure frustration in order to minimize it? - [Evaluating ergonomics in healthcare – paramedics](https://noldus.com/blog/evaluating-ergonomics-in-healthcare): The chance that a paramedic suffers an injury is 3x higher than other occupations. Because of the global health worker shortage, we need to make sure these professionals are taken care of. - [Neuromarketing: hope or hype?](https://noldus.com/blog/neuromarketing-hope-or-hype): The application of neuroscience methods to marketing – neuromarketing research – is growing in popularity. Can neuroscience be the holy grail of the study of consumer behavior? - [Parenting behaviors and executive function in Down syndrome](https://noldus.com/blog/parenting-executive-function-down-syndrome): Understanding more about developmental delays in Down syndrome is vital in developing targeted interventions. In this study, the relationship between parenting behaviors and executive function was examined. - [Direct observations help develop effective interventions in adolescence](https://noldus.com/blog/direct-observations-adolescence): Presenting a study in which family and friendship dynamics in adolescence were observed in order to develop more personalized interventions that prevent problem behaviors and adjustment issues. - [Useful consumer neuroscience tools](https://noldus.com/blog/useful-consumer-neuroscience-tools): Marketers track consumer behavior and try to understand it by learning more about the magic buy button. - [The role of inhibitory control on substance use in adolescence](https://noldus.com/blog/substance-use-adolescents): Adolescents are vulnerable to risk-taking behaviors such as substance use. Dr. Roy Otten and his team examined how early childhood stress and inhibitory control influence the risk of adolescent substance use. - [Studying conflict interactions between mothers and adolescents](https://noldus.com/blog/mother-adolescent-conflict-interaction): It is common for conflicts to arise between adolescents and their parents. However, severe conflicts can have negative effects on adolescent development. What can parents do to prevent escalating conflicts? - [Early exploratory behavior in infants with Down syndrome](https://noldus.com/blog/exploratory-behavior-infants-down-syndrome): Object exploration is part of infants’ early development. How do infants with Down syndrome explore the world around them? And how is exploratory behavior related to their general development? - [Cognitive neuroscience: Emotions](https://noldus.com/blog/cognitive-neuroscience-emotions): In my previous blog post, I shared some of the basics of cognitive neuroscience. In this blog post, we will zoom into a more specific part of cognitive neuroscience: emotions. - [Machine learning and object detection](https://noldus.com/blog/machine-learning-object-detection): Humans are incredibly good at recognizing patterns. Now computers can do it as well, and that can be useful. Read more about machine learning and object detection. - [Decreased learning abilities in diabetic rats: Silymarin to the rescue](https://noldus.com/blog/decreased-learning-abilities-diabetic-rats): Silymarin is a substance that works as an antioxidant, is anti-inflammatory and increases BDNF levels. After supplementing silymarin to diabetic rats, typical diabetes symptoms were greatly improved. - [Consumers' food choices and emotions](https://noldus.com/blog/consumers-food-choices-and-emotions): Is there a relationship between food choice and a person’s mood? Bartkiene et al. examined the factors that influence our food choice, using facial expression analysis. - [SUKIPANI: The magic word for making a smile](https://noldus.com/blog/sukipani-magic-word-making-smile): The SUKIPANI smile is an exercise to train the muscles you use while smiling. Dr. Sugahara explains the effect of the movements of the muscles and uses FaceReader to analyze the smiles. - [Improving patient safety](https://noldus.com/blog/improving-patient-safety): We all agree that communication in the operating room is essential. It saves time and ensures a better quality of patient care. Using the WHO Surgical Safety Checklist supports this. How can we learn to use this checklist? - [What is RPPG?](https://noldus.com/blog/what-is-rppg): Nowadays, measuring heart rate and heart rate variability can be done remotely, without all kinds of devices being attached to the test participant, using remote photoplethysmography (RPPG). What is RPPG and how does it work? - [Can caffeine prevent Alzheimer's?](https://noldus.com/blog/can-caffeine-prevent-alzheimer): What is the most popular drug in the world? It’s not alcohol, cannabis, or cocaine, but something most of us start with each day. Coffee; or, more specifically: caffeine. - [Measuring the user experience of tube feeding](https://noldus.com/blog/measuring-user-experience-tube-feeding): Tube feeding has had a fascinating history, but there is still scope for innovation. Noldus will develop a system to measure its users' experience in the FoodFriend project. - [Depressed with a failing reward system: social stress disrupts brain waves](https://noldus.com/blog/depressed-with-failing-reward-system): Chronic social stress has a huge impact on well-being. Gamma oscillations have been found to be an electrophysiological link between social stress and reward processing. - [Working memory and emotion regulation in children with ADHD](https://noldus.com/blog/working-memory-emotion-regulation-adhd): How can we understand emotional reactivity in children with ADHD? In the current study, Tarle and her colleagues examined the relation between emotion regulation and working memory in children with and without this disorder. - [Emotional responses to infant crying](https://noldus.com/blog/emotional-responses-infant-crying): Hearing an infant cry can cause negative emotions, which can impact the way we respond. Researchers Riem and Karreman instructed parents to apply specific emotion regulation strategies in response to infant crying. - [User Meeting: exploring external data integration](https://noldus.com/blog/user-meeting-ethovision-external-data): A few months ago, we organized our very first User Meeting about EthoVision XT and external data integration! The meeting included interesting talks, discussions, and demonstrations with a diverse group of participants. - [LIFESTART project](https://noldus.com/blog/lifestart): The importance of good nutrition for human babies is well known. But what about young animals? - [Is a unique calcium regulating mechanism a cause of Gulf War Illness?](https://noldus.com/blog/calcium-regulating-mechanism-gulf-war-illness): Gulf War Illness (GWI) is potentially caused by organophosphate exposure. Through behavioral experiments, using a DFP rat model, researchers tested levetiracetam as a potential cure. - [3 reasons to join us at Applied Human Factors & Ergonomics meeting (DriveLab)](https://noldus.com/blog/ahfe-meeting): The International Conference on Applied Human Factors and Ergonomics (AHFE) is held annually. Here is why you should attend. - [Understanding consumer buying behavior](https://noldus.com/blog/understanding-consumer-buying-behavior): What predicts a sale, and what causes consumers to buy from a particular brand over another? To know how and why customers make decisions, you can take a deeper look at consumer behavior. - [Gut microbes: both cause and cure of autism?](https://noldus.com/blog/gut-microbes-cause-cure-autism): Gut microbes can increase or decrease typical autism spectrum disorder behavior (stereotypies, social behavior, locomotion, and communication) via metabolites and influencing alternative gene splicing. - [Studying posture development in infants at risk for autism](https://noldus.com/blog/posture-development-infants-autism): Research shows that early posture development is delayed in infants who are eventually diagnosed with an autism spectrum disorder (ASD). Understanding these delays helps to improve early diagnosis and intervention. - [Stereotypical effects on cognitive bias](https://noldus.com/blog/stereotypical-effect-cognitive-bias): Stressed-induced stereotypical behavior in lab mice have different effects on cognition. The radial arm maze is often used to investigate this. - [How to assess medical team effectiveness](https://noldus.com/blog/how-assess-medical-team-effectiveness): Healthcare professionals working in an operating or emergency room, frequently deal with unpredictable situations in which they need to stay focused and think clearly. How do they manage that? - [Cognitive neuroscience: the basics](https://noldus.com/blog/cognitive-neuroscience-basics): What is cognitive neuroscience? As my professor once said, it is the overlapping science of the ‘dry and the wet’ part of the brain. - [Food and Cognition project](https://noldus.com/blog/food-and-cognition-project): The Food and Cognition project will form a cluster of partners in the East of the Netherlands, who will exchange knowledge on the topics of eating behavior, targeted nutrition and enabling technologies. - [The effect of microplastics and pharmaceuticals on trophic interactions](https://noldus.com/blog/microplastics-pharmaceuticals): Microplastics (found in common products such as toothpaste) and pharmaceuticals have an impact on the environment. Their combined effect, however, is still largely unknown. - [About unexpected results: predator odor excites mice](https://noldus.com/blog/predator-odor-excites-mice): The temperature of the tail and eyes of rodents is indicative of their emotional state. What would be the effect of a specific predator cue? - [How doing exercises counteracts the effects of Alzheimer’s disease](https://noldus.com/blog/doing-exercises-alzheimers-disease): Recent research has shown that rats induced with Alzheimer’s disease suffered less from the effects of the disease when subjected to exercise. - [The ultimate list of usability lab software tools](https://noldus.com/blog/usability-lab-software-tools): For those of you interested in what we offer for usability studies, see how we can get you the analysis you need quickly, easily, and reliably with our UX tools. These are the Usability lab software tools you want to use! - [Hemineglect - and how to study recovery from it](https://noldus.com/blog/hemineglect): Hemineglect is a condition caused by strokes or brain damage in which part of the sensory inputs to the brain are ignored and it is as if that part of the world which is sensed doesn't even exist. - [Two examples of on-site observational studies with older persons](https://noldus.com/blog/two-examples-observational-studies): In certain cases, observations for your study are best performed on-site. In this blog, we describe examples of observational studies with older age groups, conducted at home or at a healthcare facility. - [How to best assess pain-related behaviors in preclinical studies](https://noldus.com/blog/preclinical-studies): Most humans can tell you they’re in pain. However, assessing pain sensitivity in rodents during preclinical studies is a challenge. - [The effects of negative campaigning on emotions](https://noldus.com/blog/effects-negative-campaigning-emotions): Do people display different emotions when they watch a commercial with or without negative campaigns? Sabine Dennert shares her findings in this guest blog post. - [ChickenStress project](https://noldus.com/blog/chickenstress-project): The abolition of battery farming has improved chicken welfare, but there are still problems like feather pecking. In the ChickenStress project, we will try to understand better how to reduce stress and improve welfare. - [How mice regain their memory: Betaine against Alzheimer’s Disease](https://noldus.com/blog/betaine-against-alzheimers-disease): As a potential Alzheimer medicine, betaine was tested on an AD animal model in a novel object recognition test. Using video tracking, scientists studied the influence of betaine and betaine transporter on mouse memory. - [What does an infant’s gaze tell us about how hungry they feel?](https://noldus.com/blog/infant-gaze-during-feeding): McNally and her colleagues developed a coding scheme to observe infant gaze behavior and applied it in a study of complementary feeding. - [Diazepam in the battle against Alzheimer’s](https://noldus.com/blog/diazepam-alzheimers): Scientists have found out that a low dose of the tranquilizer diazepam reduces the breakdown of neurons, seen in the development of Alzheimer’s disease. - [Assessing gait in a mouse model for Leigh Syndrome](https://noldus.com/blog/assessing-gait-mouse-model-leigh-syndrome): There is an unmet medical need to develop clinical effective treatments for Leigh Syndrome and other mitochondrial diseases. Today, Dr. de Haas shares some of her research insights. - [How do children interact with their older autistic siblings?](https://noldus.com/blog/social-interactions-between-siblings): In celebration of World Autism Awareness Day, this blog post focuses on the social interactions between children and their older autistic siblings. - [Serious gaming reduces anxiety in children](https://noldus.com/blog/serious-gaming-reduces-anxiety-children): What is the effectiveness of the applied game called MindLight in teaching children how to cope with anxiety? Wols et al. investigated this game-based intervention. - [Zebrafish help us to understand neurodegenerative and neuromuscular diseases](https://noldus.com/blog/zebrafish-neurodegenerative-diseases): Teresa Capriello and colleagues use zebrafish to study the neuronal mechanisms of heavy metals in connection to neurodegenerative and neuromuscular diseases. - [A closer look at eye contact](https://noldus.com/blog/closer-look-eye-contact): Infant siblings of children with or without ASD participated in a study to determine whether gaze behavior showed during a test with an unfamiliar examiner could predict gaze behavior in a more naturalistic context. - [5 blog posts about brain research](https://noldus.com/blog/brain-research): During the annual Brain Awareness Week, international attention focuses on the brain to increase public awareness of the progress and benefits of brain research. - [Shopping behavior - what can we measure in a retail environment?](https://noldus.com/blog/shopping-behavior): Shopping ambience conditions such as light, sound, and smell are thought to affect shoppers’ browsing behavior and can increase sales due to impulse buying. - [Parkinson's disease research - Relevant measures in pre-clinical studies](https://noldus.com/blog/parkinsons-disease-research): Parkinson’s disease: the neurodegenerative disorder that affects mobility in a life-changing way. Learn more about relevant measures in pre-clinical studies. - [PCIT: Parent-Child Interaction Therapy](https://noldus.com/blog/pcit-parent-child-interaction-therapy): What is Parent-Child Interaction Therapy? It helps improve family dynamics by working to reduce negative behavior and interactions, and to practice new behaviors and ways of communicating that are more encouraging. - [How botulinum toxin affects facial expression](https://noldus.com/blog/how-botulinum-toxin-affects-facial-expression): For the past twenty years, the demand for cosmetic procedures to the face has increased drastically. New technologies have become available that make it possible to look ‘better and younger’. - [Alzheimer's research - From prevention research to natural treatment](https://noldus.com/blog/alzheimers-research-prevention): Experts estimate that by 2050, 100 million people will have Alzheimer’s disease (AD), which is a shockingly large number. Learn more about the research that has been done in order to find a cure. - [Analysis of facial expressions of emotions in children](https://noldus.com/blog/facial-expressions-emotions-children): The study described in this guest blog post focuses on the facial expressions of emotions induced by affective stimuli in children aged between 7 and 14. - [The ultimate list of neuroscience lab software tools](https://noldus.com/blog/ultimate-list-neuroscience-lab-software-tools): Are you interested in starting a new lab, or perhaps in updating your current lab to its maximum potential? If so, this list of ultimate neuroscience software tools is the place to begin. - [Three UX Lab examples with the latest UX research tools](https://noldus.com/blog/ux-lab-examples): A UX Lab is used for usability testing and user experience research. Users are observed in a specific environment while interacting with a product or system. Most UX research is conducted in state-of-the-art UX labs. - [7 Tips how to set up a coding scheme](https://noldus.com/blog/7-tips-set-up-coding-scheme): The coding scheme or ethogram determines what data you collect and is, thus, an essential part of your behavioral study. Tips to set up a coding scheme (+free white paper with all 7 tips to set-up your coding scheme). - [Evaluating the effectiveness of simulation in healthcare](https://noldus.com/blog/effectiveness-simulation-in-healthcare): Teamwork is important in many occupations but it is crucial when working under pressure. Most of us can only imagine how stressful it could be when working as a fire fighter or operating room nurse. - [Can facial expressions and emotional reactions predict likeliness to buy?](https://noldus.com/blog/facial-expressions-likeliness-buy): Think about some of your favorite holiday foods – what are they? Maybe gingerbread, candy canes, or pies? - [How to build a usability lab?](https://noldus.com/blog/how-to-build-a-usability-lab): Usability testing is an essential part of user centered design processes. It is necessary to evaluate prototypes. So how do you build a usability lab? This how to will help you out! - [Gait analysis at the PSDL using CatWalk](https://noldus.com/blog/gait-analysis-catwalk-xt): Our lab studies the Neuronal Ceroid Lipofuscinoses (NCLs) or Batten disease, which are a group of progressive and genetically inherited neurodegenerative diseases that affect children and young adults. - [The effectiveness of physical therapy sessions for children with cerebral palsy](https://noldus.com/blog/effectiveness-physical-therapy-sessions): Researcher Sébastien Vanderlinden is committed to describe which and how long physical therapy skills are performed during NDT sessions. - [Into the lab: how to monitor rat social behavior](https://noldus.com/blog/how-monitor-rat-social-behavior): Including social behavior as part of a phenotypic screen has important benefits and eventually leads to better translational value of rodent models. - [Retail analysis - Using TrackLab in a supermarket](https://noldus.com/blog/retail-analysis): Noldus Information Technology teamed up with Jan Linders supermarkets, a chain of supermarkets in the southern part of The Netherlands. - [Simulation-based team training in obstetrics](https://noldus.com/blog/simulation-based-team-training-obstetrics): The study of Annemarie Fransen and her team shows that simulation-based team training is effective in improving communication and cooperation of obstetric care teams. - [UX: from the Anthropocene to science fiction and moonshots](https://noldus.com/blog/user-experience-research-nordichi): Even after spending a decade in contact with User Experience researchers and professionals, the domain never stops to fascinate and amaze me. In October I had the privilege of joining the 10th NordiCHI conference, in Oslo. - [Validation-study: Basic emotions and Action Units detection](https://noldus.com/blog/validation-study-facereader): Guest blogger Jan Zumhasch, a certified FACS-coder, explains why FaceReader is amazing if you want to analyze facial expressions and emotions. - [Analyzing the mealtime behaviors of children with autism](https://noldus.com/blog/analyzing-mealtime-behaviors-children-autism): Disrupted mealtimes and feeding challenges may risk the development of family stability, as well as the social skills and well-being of a child. Which strategy should families use to support meal time engagement? - [Smile like you mean it](https://noldus.com/blog/automated-facial-expression-analysis): Of all human expressions, a smile is the most universal. But can you tell which smile is real and which is false? - [How to master automatic Facial Expression Recognition](https://noldus.com/blog/automatic-facial-expression-recognition): Many researchers have turned towards using automated facial expression recognition software to better provide an objective assessment of emotions. - [Understanding the digital world at the Social Media Lab](https://noldus.com/blog/understanding-digital-world-social-media-lab): In this unique lab, technology is applied to understanding user experience, behavior on social media, and much more. - [How to characterize behavioral phenotypes in a behavioral analysis facility](https://noldus.com/blog/behavioral-analysis-facility-rouen): Introducing the Behavioral Analysis Facility. Researchers evaluate the behavioral and functional activities of new pharmacological drugs using diverse functional tests. Learn more about their recent projects. - [Normalization of blood sugar reduces enhanced rewarding effect of smoking](https://noldus.com/blog/blood-sugar-rewarding-effect-smoking): Why are the rewarding effects of nicotine greater in diabetic rats? - [Using facial expression analysis during a musical experiment](https://noldus.com/blog/facial-expression-analysis-musical-experiment): Music affects people, that's for sure. But to what extent varies per person. To measure facial expressions during a musical experiment, FaceReader Online is the easy-to-use tool. - [Using gait analysis to analyze Parkinson’s in rat model](https://noldus.com/blog/gait-analysis-parkinsons-rat-model): Contrary to common methods, gait analysis can detect clinically relevant symptoms early on, researchers say. - [The role of explicit bias in working with depressed cardiac patients](https://noldus.com/blog/explicit-bias-depressed-patients): Using simulated medical encounters, Dr. Crapanzano and her team measured the influence of bias in the medical students' diagnosis and treatment plans for a patient presenting as mildly depressed. - [World Cup success and emotions](https://noldus.com/blog/world-cup-success-and-emotions): Recent scientific research shows that emotional expressions like anger and happiness matter in being successful in the group phase of the soccer World Cup. - [Alzheimer research and the Morris water maze task](https://noldus.com/blog/alzheimer-research-morris-water-maze-task): First developed in 1981 by Richard Morris, the Morris water maze task is still one of the most popular tests for memory and learning in rodents. - [Towards automated homecage monitoring of group housed rats](https://noldus.com/blog/homecage-monitoring): Rodent social behavior is important in research on neuropsychiatric disorders, but major limitations hamper progress. - [Many ways to measure behavior](https://noldus.com/blog/many-ways-measure-behavior): So what kind of behavior can you measure? We haven't had time to follow all five behavior research tracks but here are a few highlights of the first conference day. - [A new zebrafish model for ALS-related gene mutations](https://noldus.com/blog/zebrafish-als-gene): How zebrafish are helping us to discover the mechanisms behind this neurodegenerative disease. - [The effects of parasitic infections on learning and memory in mice](https://noldus.com/blog/parasitic-infection-memory-mice): Worm infections can cause cognitive problems. But it’s unclear if it affects learning, memory, or both. - [The use of humor during doctor-patient interactions](https://noldus.com/blog/use-humor-during-doctor-patient-interactions): How often do medical professionals use humor during the interaction with patients? After all, such positive interactions help build a relationship, establish trust, and support the exchange of relevant information. - [Freeze! A recent study on PTSD and the immune system](https://noldus.com/blog/ptsd-and-immune-system): It is pretty well-known that stress and anxiety have an effect on the immune system. This can be a real problem, especially in psychiatric disorders. - [How to study consumer behavior in a kitchen](https://noldus.com/blog/how-study-consumer-behavior): Masson and colleagues from Université Paris-Saclay, France, designed a test kitchen to investigate food storage processes. According to them, the use of video cameras was of great value for analyzing behaviors. - [Top 5 blog posts about autism](https://noldus.com/blog/top-5-blog-posts-about-autism): World Autism Awareness Day is an internationally recognized day on April 2nd. A good reason to sum up the top 5 best read blog posts about autism of the last year for you. - [Measuring consumer responses to chocolate and images](https://noldus.com/blog/measuring-consumer-responses): Researchers all over the world are trying to find ways to measure real consumer responses and behavior. - [Package testing - Emotional journey in packaging research](https://noldus.com/blog/package-testing): A product package should help consumers make a quick decision. Donata Tania Vergura and Beatrice Luceri from the University of Parma, Italy investigated different packaging designs. - [Facial expression analysis in video content marketing](https://noldus.com/blog/facial-expression-video-content-marketing): This study shows that emotions in company messages or advertisements could be used to build and measure brand value. This measure can thus be added to social media metrics guidelines to assess success rate. - [Operating room layout: impact on work patters and flow disruptions](https://noldus.com/blog/operating-room-layout): With use of prerecorded videos of surgeries, researchers examined the impact of the layout of an OR on work patterns and flow disruptions of a circulating nurse. - [A new rat model for neonatal white matter injury](https://noldus.com/blog/new-rat-model-neonatal-white-matter-injury): Preterm birth is a major problem in neonatal healthcare. Erik van Tilborg developed a new animal model to closely mimic this clinical situation, an important step in finding new treatment options. - [Exercise vs anabolic steroids: a rat study](https://noldus.com/blog/anabolic-steroids-rat-study): A recent study shows that the use of anabolic steroids diminishes the positive effects of exercise in rats. - [Knockout of Down syndrome gene in zebrafish leads to autistic-like behaviors](https://noldus.com/blog/zebrafish-down-syndrome-gene-autism): Knockout of Down syndrome gene in zebrafish leads to autistic-like behaviors: Though earlier knockout models in mice failed, researchers have developed a successful zebrafish model. - [Putative neurorestorative drug for Parkinson’s disease tested in zebrafish](https://noldus.com/blog/pd-drugs-zebrafish): About zebrafish and their important role in finding a cure for Parkinson’s disease. - [How to study communication in young children](https://noldus.com/blog/how-study-communication-young-children): If you are born profoundly deaf, it is very likely that modern technology in the form of cochlear implants can improve your hearing. - [Buying a travel pillow: do our experiences make our expectations come true?](https://noldus.com/blog/buying-travel-pillow): During a long flight, it is often tempting to take a nap in the airplane seat. Which travel pillow offers you the most comfort for this? - [Strain differences in zebrafish behavior and physiology](https://noldus.com/blog/zebrafish-strain-differences): A zebrafish is not just a zebrafish. Strain differences in zebrafish behavior and physiology. - [How innovative solutions advance your behavioral research](https://noldus.com/blog/advance-your-behavioral-research): Good behavioral research requires good methods, and good tools. Three Noldus customer stories display how innovative solutions have advanced their behavioral research. - [Tracking chickens: A promising approach for identifying feather-peckers](https://noldus.com/blog/tracking-chickens): Manually observing chickens in barns is a tedious job to which ultra-wideband tracking offers a solution. But does it interfere with normal behavior? - [How oncologists’ communication impacts patients’ information recall](https://noldus.com/blog/patients-information-recall-emotional-stress): In her study, Visser focuses on one of the possible mechanisms that may underlie limited information recall in patients: the relationship between emotional stress and memory performance. - [Understanding face perception in ASD](https://noldus.com/blog/understanding-face-perception-asd): Researchers at KU Leuven want to gain more insight into whether or not there are differences in the implicit abilities of children with ASD to detect faces, different identities, and different expressions. - [3 Emotional studies with FaceReader](https://noldus.com/blog/emotional-studies-with-facereader): Many researchers have discovered FaceReader as a tool for their research. These 3 recent studies with FaceReader show how emotion data helps you to better understand human-human, human-machine, and human-product interactions. - [Interacting with autonomous cars](https://noldus.com/blog/interacting-with-autonomous-cars): When I get in the train next week at the Düsseldorf airport, I know that there is something different about it in comparison to a normal train. - [Robots helping people with dementia](https://noldus.com/blog/robots-helping-people-dementia): Researcher Wendy Moyle and her team explored if the use of a robotic seal as a therapeutic tool would influence the emotional and behavioral symptoms of dementia. - [Learn to cooperate toward shared goals using the principles of CRM](https://noldus.com/blog/teamwork-behaviors-healthcare): Teamwork plays an important role in ensuring patient safety and avoiding errors. The most commonly used method to promote teamwork, is training entire teams together to better prepare them for effective cooperation. - [Video recording medical trainees who are interrupted during a complex task](https://noldus.com/blog/video-recording-medical-trainees-interruption): Interruptions in your work have a negative effect on completing your tasks correctly. Jones and her team examined the impact of clinical interruptions on simulated trainee performances during central venous catheterization. - [In home study of older persons](https://noldus.com/blog/in-home-study-older-persons): Older people are healthier these days and like to live in their own homes as long as possible. As a result, the need for home care services is increasing. - [Why it doesn’t seem fair to prefer male mice in behavioral studies](https://noldus.com/blog/male-mice-behavioral-studies): Is it justified to use male mice only in behavioral studies, as many diseases affect men and women differently? This might be the most important argument to favor including female mice in certain studies. - [The response of oxytocin to mother-infant interaction](https://noldus.com/blog/response-oxytocin-mother-infant-interaction): Researcher Rebecca Knapp was interested to know whether infant eye gaze away from the mother, or eye gaze directed to the mother, would correspond to increased maternal oxytocin. Read her blog post to learn more. - [IR backlight in rodent behavioral testing](https://noldus.com/blog/ir-backlight-rodent-behavioral-testing): How do mice act in complete darkness? Ann-Kristina Fritz and her colleagues ordered a large, round open field with IR backlight, custom made by Noldus, to investigate. - [The emotions of people who think they’re nice](https://noldus.com/blog/emotions-people-who-think-they-are-nice): What does ‘nice’ actually mean in relation to psychological variables? And does it positively correlate with self-reported levels of health, happiness, and wellbeing? - [Emotions distract people with eating disorders](https://noldus.com/blog/emotions-distracts-people-eating-disorders): Studies show that people with anorexia nervosa have reduced facial expressivity of emotions while viewing emotionally provoking stimuli. Researcher Leppanen and her team used FaceReader to investigate this. - [Brain & behavior: data integration in horse studies](https://noldus.com/blog/data-integration-horse-studies): EEG recordings – they produce useful data, but are not always easy to obtain in animal studies. You can’t really ask a horse to sit still, so these researchers invented a promising new system for EEG recording. - [Behavioral tests to select police horses](https://noldus.com/blog/behavioral-tests-select-police-horses): The personality of police horses influences how well they do in their ‘job’. That’s why personality tests are important for both animal and human welfare and safety. - [Interview skills training for adolescents with language disorder examined](https://noldus.com/blog/adolescents-language-disorder-examined): The study of Mathrick and colleagues evaluated an interview skills training package targeting both verbal and non-verbal skills for adolescents with severe and persistent Language Disorders. - [Gait recovery and other effects: treatment of cervical myelopathy](https://noldus.com/blog/gait-recovery-cervical-myelopathy): At the Dr. Michael Fehlings' lab, they are on a quest to find out what exactly causes the lower success rate of delayed surgery in cervical myelopathy. - [The impact of sounds on autistic children’s behaviors](https://noldus.com/blog/impact-sounds-autistic-childrens-behaviors): Children with autism can have trouble dealing with external distractions. Researcher Shireen Kanakri conducted a study to observe the impact of the acoustic environment on restrictive and repetitive behaviors. - [Video tracking makes bird watching much easier](https://noldus.com/blog/video-tracking-bird-watching): Everyone with children knows the phenomenon that what is good for a child is not always the best for a parent. The same counts for birds. - [Measuring parent-infant behavior from another point of view](https://noldus.com/blog/measuring-parent-infant-behavior): Parent-child interaction is an important focus of child development research. Lee’s research team compared recordings of play behavior from both a traditional third-person point of view, and through the babies' eyes. - [Ticking clocks – tides and activity peaks in American horseshoe crabs](https://noldus.com/blog/tides-american-horseshoe-crabs): Recently, I came across an interesting paper in which American horseshoe crabs were video-tracked to investigate their internal clocks. - [Flower preference in solitary bees](https://noldus.com/blog/flower-preference-solitary-bees): Mason bees are fascinating and friendly creatures. Tibor Bukovinszky and his colleagues investigated how their foraging behavior affects their offspring. - [Time is of the essence in fish studies](https://noldus.com/blog/time-essence-fish-studies): You recently moved into your new house. How do you feel? How do you act in this new space? The answers may depend on how long you have lived there… - [Fetal electrocardiography](https://noldus.com/blog/fetal-electrocardiography): The results of the fundamental research reported in Kim Verdurmen's thesis show that fetal ECG is a technique that is still developing but has shown to have multiple promising prospects, both during pregnancy and labour. - [Social buffering in zebrafish](https://noldus.com/blog/social-buffering-zebrafish): Shared sorrow is half a sorrow, according to the old proverb. New research indicates that social support is not only important for us humans, but also for zebrafish! - [Fish live longer and are more active after eating “young poo”](https://noldus.com/blog/fish-live-longer-with-young-poo): Have you got the guts for it? Well, I hope you at least have the gut bacteria for it. - [Technical demonstration of FaceReader in Seville, Spain](https://noldus.com/blog/technical-demonstration-at-the-aps): GO-LAB demonstrated FaceReader's amazing possibilities and efficient replacement of manual coding procedures. - [Robots in the operating room](https://noldus.com/blog/robots-operating-room): Dr. Ahmad and his team analyzed surgical team movements during robot-assisted surgery to understand and categorize causes for interruptions. - [Two ways to learn more about medical simulation and debriefing](https://noldus.com/blog/medical-simulation-and-debriefing): There are two ways to get ahead and stay ahead in healthcare education. One - learn from the best and - two - stay on top of your game! - [Improving social communication skills in children with ASD](https://noldus.com/blog/social-communication-children-asd): Many children with ASD suffer from deficits in social communication and interaction, especially with peers. They participate in fewer social interactions than typically developing children. - [Three examples of nurse-patient interaction research](https://noldus.com/blog/examples-nurse-patient-interaction-research): The use of video technology in nurse-patient interaction research offers important advantages to scientists in unraveling complex behavior patterns. Learn more! - [Do emotions affect preferences to opera music?](https://noldus.com/blog/do-emotions-affect-preferences-opera-music): Many researchers are interested in the relationship between facial expressions and music preference. This is the first study that uses FaceReader to investigate this. - [Consumer behavior: do we enjoy the buffet to its fullest potential?](https://noldus.com/blog/consumer-behavior): In a buffet restaurant, do you also want to try another dish? Just because it's available? Read this blog post about how choice influences eating behavior. - [Isolated and stressed zebrafish as a model for major depression](https://noldus.com/blog/isolated-stressed-zebrafish-model-depression): Depression: a fifth (!) of us cope with it, making it the most prevalent psychiatric disorder. Prof. Gerlai recently investigated the interaction between mild stress and developmental isolation in zebrafish models. - [Dynamic winners and sluggish losers](https://noldus.com/blog/dynamic-winners-and-sluggish-losers): We all know the phenomenon: some have it all. Look around a classroom and you see immediately who gets all the attention and who doesn’t, who are “winners”, and who are “losers”. Are we born this way, or do we learn it? - [Effectiveness of video feedback in education](https://noldus.com/blog/effectiveness-video-feedback-education): Did you know that video feedback in education is efficient? This and 5 more reasons why video debriefing in education is effective. - [Spatial and odor memory impaired mice – new model for Alzheimer’s](https://noldus.com/blog/new-mice-model-sporadic-alzheimers): Plaques and tangles… those of you even remotely familiar with Alzheimer’s disease (AD) will immediately recognize these hallmarks. But they are linked to familial AD, while sporadic AD is far more common. - [To be ravenous or to be social](https://noldus.com/blog/be-ravenous-or-be-social): Prosocial behavior, a voluntary behavior to benefit another, is an interesting concept from an evolutionary point of view. At first sight it may seem logical to be social. - [Helping children cope with social anxiety](https://noldus.com/blog/helping-children-cope-social-anxiety): Researchers Colonnesi et al. investigated whether social anxiety in 4 year-olds is related to the level of Theory of Mind, and expressing shyness. - [Free-choice digital interactive enrichment and human-animal interaction](https://noldus.com/blog/digital-interactive-enrichment-apes): Great apes have fast reflex, gazes, and movements: The Observer XT’s features allow frame by frame coding and accurate data integration. - [How obese mice get moving](https://noldus.com/blog/how-obese-mice-get-moving): By a showing of hands: how many of you started this New Year with the resolution to get moving? Burn off those extra holiday calories, or finally really get in shape? - [Attention! Drive safely](https://noldus.com/blog/attention-drive-safely): In a recent study with bicyclists, researchers at VTI, Sweden, observed cyclist behavior using eye tracking technology, video recordings, and behavioral coding. - [How optogenetics is used to study the stress response in zebrafish larvae](https://noldus.com/blog/optogenetics-stress-response-zebrafish-larvae): Stress might seem like a bad word, but it does have its perks. A recent study by Rodrigo J. De Marco uncovered the role of the pituitary in zebrafish larvae behavior after the onset of stress. - [Autistic mice have motor learning difficulties specific to the cerebellum](https://noldus.com/blog/autistic-mice-cerebellum): Autism is often associated with social behavior deficits and repetitive behaviors. However, motor abnormalities are also a part of the behavioral spectrum. Recent studies have implicated the cerebellum. - [Investigating the relationships between the immune system and the brain](https://noldus.com/blog/relationships-immune-system-brain): Our research group is investigating the relationships between the immune system and the brain in humans. - [The effect of simulation-based obstetric team training](https://noldus.com/blog/effect-simulation-based-obstetric-team-training): Dr. Truijens describes the positive effects of simulation-based obstetric team training on communication between health care professionals, clear leadership, and more. - [Discrimination learning without human intervention or food restriction](https://noldus.com/blog/discrimination-learning-cognitionwall): Sylics recently introduced CognitionWall, a new paradigm for discrimination learning in the home cage that avoids the necessity for food restriction and handling in learning tests. - [Comparing two different skin-to-skin contact techniques](https://noldus.com/blog/comparing-skin-contact-techniques): Skin-to-skin contact is essential in developing a feeling of safety, and in creating the bond between parent and child, especially with premature babies. Buil et al. compared two kangaroo positioning techniques. - [The value of facial expression analysis in advertisements](https://noldus.com/blog/facial-expression-analysis-in-advertisements): José Chavaglia Neto and José António Filipe investigated the effect of one commercial on consumer emotion. They asked consumers to watch this commercial related to a specific brand. - [Marketing and market research blogs](https://noldus.com/blog/marketing-market-research-blogs): Learn all about gamification in marketing, facial expression analysis, and the difference between self-report, qualitative research, and unobtrusive observations. - [Video tracking for high-throughput screening of plant resistance to thrips](https://noldus.com/blog/video-tracking-plant-resistance-thrips): A thrips is a tiny insect that can have a not-so-tiny effect on plants. A lot of research is currently carried out on how to get rid of these creatures. - [High-throughput screening of plant lines for resistance to pest insects](https://noldus.com/blog/resistance-pest-insects): The EthoGenomics project focused on screening for host plant resistance to insect pest species. Video tracking provides the possibility to scale up the screening method largely. - [How to measure infant behavior](https://noldus.com/blog/how-to-measure-infant-behavior): In infancy you can observe an explosive growth. Many researchers focus on this age group. Think about studies aimed at learning more about speech behavior, maternal sensitivity, or learning behavior in infancy. - [The power of rejection (in fruit flies)](https://noldus.com/blog/the-power-of-rejection): Fruit flies have amazing sense of smell. This includes the ability to navigate to a food source, as well as search out a preferred mate. However, there are other areas in which their olfactory systems come into play. - [The use of video tracking in a HaXha test](https://noldus.com/blog/video-tracking-haxha-test): When you get used to something, after a while you might not notice it anymore. Like a sent. The lab of Justus Verhagen investigated sniffing behavior with video tracking. - [How fruit flies find your food (and mates!)](https://noldus.com/blog/how-fruit-flies-find-your-food): Those tiny flies that take over your garbage cans during the summer? They are called fruit flies for a reason! They have a fantastic sense of smell and these tiny creatures are a popular animal model for researchers. - [Video-recording children with ASD in-home](https://noldus.com/blog/video-recording-children-asd-home): Anne Kirby and colleagues studied sensory and repetitive behaviors among children with autism spectrum disorder (ASD). 32 children with ASD participated. - [Implementing Tailored Activity Programs](https://noldus.com/blog/implementing-tailored-activity-programs): Tailored Activity Programs (TAP) have been shown to have significantly reduce behavioral occurrences in dementia patients and improve engagement and positive behaviors. - [Students’ first contact with The Observer XT](https://noldus.com/blog/animal-husbandry): Prof. Dr. Stefanski and Dr. Flauger explain why it is important to introduce students to professional software tools at an early stage. - [In-home video recordings provide measure for more objective comparisons](https://noldus.com/blog/in-home-video-recordings): Edelson and her colleagues from the Nestlé Research Center in Sweden studied parent-child interactions during meal time using in-home studies. - [Declared vs revealed data](https://noldus.com/blog/declared-vs-revealed-data): How do consumer researchers get valuable data? Consumer and market researchers can turn to observation and experimentation to observe consumers. Declared vs. revealed data. - [How to use CatWalk XT and Incapacitance Tester in non-clinical pain research](https://noldus.com/blog/how-use-catwalk-xt): Heta Svard from Orion Pharma studies pain and neurological disorders and resports on recent research. - [The bat - moth aerial battle in 3D](https://noldus.com/blog/the-bat-moth-aerial-battle): Moths arrived first on the evolutionary stage; when much later on bats appeared with their sophisticated apparatus for echolocating prey, moths were forced to change or die. - [Understanding adolescent emotions](https://noldus.com/blog/understanding-adolescent-emotions): How are adolescents’ emotions socialized by mothers and close friends? A recent study focuses on dealing with depression in adolescence. - [Become and stay aware about children with autism](https://noldus.com/blog/children-autism): Autism is a developmental disability that remains with a person for his or her whole life. The World Autism Awareness Day tries to bring awareness to this growing health concern. - [Assessing motor deficits in mice following traumatic brain injury](https://noldus.com/blog/assessing-motor-deficits-traumatic-brain-injury): Today Marcelle Cline and Donna Cross are so kind to share their insights on testing TBI mice with the CatWalk XT system. - [How to measure complex exploratory behavior in larval zebrafish](https://noldus.com/blog/exploratory-behavior-larval-zebrafish): Behavioral tests as the open field may overlook complex patterns of behavior. Today our guest bloggers explain about a new set-up for zebrafish larvae. - [Who is the best product representative?](https://noldus.com/blog/who-best-product-representative): We all have our favorite celebrities, then there are those we love to hate. Who would you want to pay to represent your product or brand? - [Measuring flow](https://noldus.com/blog/measuring-flow): Real time measurement techniques like FaceReader might be the key to measuring flow in real-time. - [How to get reliable results on object recognition using video tracking](https://noldus.com/blog/object-recognition-automated-video-tracking): In the beginning of this year I wrote a post about the Morris water maze test, a popular and well-validated paradigm to study learning and memory in rats and mice. - [EthoVision XT and the open field test](https://noldus.com/blog/ethovision-xt-open-field-test): Imagine you are dropped in the center of a wide open field. Would you explore the entire area? Or hunker down around the edges, fearing predators and other unknowns? - [4 Facts about zebrafish and zebrafish larvae](https://noldus.com/blog/four-facts-zebrafish-and-zebrafish-larvae): Did you know that zebrafish larvae are able to detect minute movement in the water and that zebrafish are better than fruit flies? Read all 4 facts! - [4 Cool cow facts](https://noldus.com/blog/four-cool-cow-facts): The investigation of movement, activity, and behavior of animals in stables gives great insight. Read this blog to learn more about that, but also about cow behavior in paddocks. - [How sleep heals the brain](https://noldus.com/blog/how-sleep-heals-the-brain): We sleep a large portion of our lives. And now researchers have proven that it can heal the brain. - [Let children design their own playground](https://noldus.com/blog/let-children-design-their-own-playground): The impact of playing outside on the social, motor and emotional development of children and their learning ability is immense. What makes the best playground, according to children? - [Emotion analysis can be beneficial to researchers in decision making](https://noldus.com/blog/emotion-analysis-decision-making): David Schindler and colleagues developed a software, µCap (muCap), which is capable of creating a link between video footage and phases of the experiment, suitable for automated analysis in FaceReader. - [Serotonin and social skills: how adult mice differ from juveniles](https://noldus.com/blog/serotonin-and-social-skills): Serotonin is a busy neurotransmitter, influencing processes as memory, mood, emotion, appetite, and sexuality. A prime role for this neurotransmitter is social behavior, across a variety of species; humans, rodents, primates. - [Shopping behavior analysis- improving the shopping experience at airports](https://noldus.com/blog/shopping-behavior-analysis): The retail industry is currently booming in some regions, and with travel such an important part of modern life, so is the retail industry at airports. Learn more about consumer buying behavior by reading this blog post. - [What, Why and How to learn in a museum](https://noldus.com/blog/what-why-and-how-learn-museum): Although children can learn a great deal on their own, conversations with parents have a big influence on the content, recall and transfer of what they learn. - [How to analyze bird calls with UltraVox XT: a summer love on a spectrogram](https://noldus.com/blog/bird-calls-ultravox-xt): You may know that the recently-released UltraVox XT 3 is used to study ultrasound vocalizations, especially in rodents and bats. But the fact that it analyzes full-spectrum sound, makes it ideal for analyzing bird calls. - [Zebrafish provide key insights into alcohol addiction](https://noldus.com/blog/zebrafish-insights-alcohol-addiction): Why is it that when people drink, only small subsets of individuals develop an alcohol addiction? Steven Tran from the Gerlai Lab tells us why zebrafish are very helpful in the search for the answer to this question. - [Does pesticide resistance make malaria mosquitoes “smarter”?](https://noldus.com/blog/pesticide-resistance-malaria-mosquitoes): In one of my previous blog posts, I wrote about the success of insecticide treated bed nets in preventing malaria. In the past five years, mortality from malaria has dropped with 60%. - [Consumer research – what determines food satisfaction?](https://noldus.com/blog/consumer-research-food-satisfaction): In a recent study, Barbara Andersen and Grethe Hyldig from the National Food Institute of Denmark zoomed in on food satisfaction from a consumer perspective. - [Positive Behavior Support: Good behavior can be learned](https://noldus.com/blog/positive-behavior-support): With the observed increase in pediatric obesity in recent years, a child’s family, particularly his parents, may influence eating behavior, diet, and physical activity through their parenting and food choices. - [Seizing fish: a high-throughput screen for novel antiepileptic drugs](https://noldus.com/blog/zebrafish-novel-antiepileptic-drugs): The lab of Prof. Richard Baines investigates how the electrical development of neurons is regulated. His research was long based on the larvae of fruitfly, but the lab recently started using zebrafish larvae. - [How to capture the 3D swimming patterns of fish](https://noldus.com/blog/how-to-capture-the-3d-swimming-patterns-of-fish): Zebrafish have more in common with humans than meets the eye. This is why they have become a “go-to” model in neuroscience research. But one difference remains: we walk and they swim. - [A new fish on the block: Japanese medaka in toxicology studies](https://noldus.com/blog/japanese-medaka-toxicology): We are all very familiar with zebrafish as a model species in neuroscience research. Today, let's talk about another fish, the Japanese medaka. - [Dementia symptoms following surgery](https://noldus.com/blog/dementia-symptoms-following-surgery): This week we have a guest post by Iris Hovens. She has done some really interesting research into the consequences of surgery in terms of reduced memory and concentration problems. - [Bigger is not always better: hypothesis testing in sexual evolution](https://noldus.com/blog/testing-sexual-evolution): Sexual selection can lead to fascinating phenomena. We are all familiar with the fabulous color display of male peacocks to attract females. Less well known, but definitely not less interesting, are stalk-eyed flies. - [A new approach in the battle against malaria](https://noldus.com/blog/new-approach-battle-against-malaria): Bed nets treated with insecticide (ITNs) greatly decrease malaria illness and mortality. ITNs can decrease infant mortality from all causes by more than 20%. - [How to let rats run perfectly](https://noldus.com/blog/rats-run-perfectly): Letting animals walk freely in gait research. At Noldus, we strongly believe this is the way to go, so that is how our CatWalk XT system works. - [Mice in the spotlight: why you should perform your tests in a home cage](https://noldus.com/blog/mice-in-the-spotlight): Mouse models are essential for neuroscience research. Many tests are susceptible to bias. Home cage testing provides a number of solutions. - [How you can efficiently screen for plant resistance to aphids](https://noldus.com/blog/efficiently-screen-plant-resistance-aphids): Aphids are small insects that pierce plant leaves and suck out their contents. Although they inflict limited physical destruction to the plant, aphids commonly infect plants with viruses, which can destroy complete harvests. - [Revealing the secret social role of the CA2 hippocampus](https://noldus.com/blog/secret-social-role-ca2-hippocampus): Aggressive behavior is adaptive for most species. But how is this aggressive behavior mediated in the brain? A study indicates that the hippocampus is a crucial neural component in mediating social recognition. - [Behavioral effects of optogenetically induced myelination in mice](https://noldus.com/blog/optogenetically-induced-myelination): Myelination, the ‘ensheathment’ of neurons, is essential to the functioning of the central and peripheral nervous systems. So it is not surprising that problems with myelination can lead to a number of crippling diseases. - [How to measure a zebrafish larva’s highly stereotyped response to water motion?](https://noldus.com/blog/zebrafish-larvaes-response-to-water-motion): At the Max Planck Institute for Medical Research in Heidelberg, Germany, Groneberg and colleagues researched one of the neural bases for behavior in Danio rerio. - [Examples of infant behavior research experiments](https://noldus.com/blog/examples-infant-behavior-research): In infancy you can observe an explosive growth. A lot of researchers focus on this age group and observe parent-infant dyads to get more insight in specific behaviors. - [Movement analysis in volleyball](https://noldus.com/blog/movement-analysis-in-volleyball): Researchers from Aix-Marseille Université and the University of Groningen analyzed match plays to gain insight into the whole-body and arm movements. - [How to study ataxia](https://noldus.com/blog/study-ataxia): Ataxia is a common problem in Parkinson’s disease (PD), and many early onset Alzheimer’s disease patients (AD) also deal with it. Now there is a non-invasive test for mouse models. - [Behavioral techniques to empower consumers: resisting persuasion by controlling](https://noldus.com/blog/persuasion-advertisements-facial-expresssion): The role of facial expression in resisting enjoyable advertisements. - [Bonobos not always as tolerant as generally believed: the plot thickens…](https://noldus.com/blog/social-tolerance-bonobos): In Planckendael Wild Animal Park (Belgium), researchers have been observing a group of bonobos and have found that the differences between chimpanzees and bonobos are not always as black and white as generally believed. - [The man in the maze: A behavioral science journey into consumer studies](https://noldus.com/blog/behavioral-science-journey-consumer-studies): As a researcher, one of my biggest thrills was being able to predict how someone was going to behave, especially without asking him or her. - [A new method to evaluate if dogs are suitable for IED bomb detection](https://noldus.com/blog/dogs-ied-bomb-detection): Margaret Gruen and her colleagues recently investigated a new method to assess sound induced fear and anxiety in candidate IED-detection dogs – specifically, Labrador retrievers. - [Alzheimer's: prevent instead of cure?](https://noldus.com/blog/alzheimers-groundbreaking-research): Alzheimer’s disease (AD) is a huge public health issue as it affects a large part of the aging population. Neuropathology is studied primarily in the end stages of the disease. What about prevention? - [Prof. Berry Spruijt says goodbye (but not really)](https://noldus.com/blog/berry-spruijt-says-goodbye): Prof. Dr. Berry M. Spruijt recently retired from his position at Utrecht University. I had the honor of attending the symposium that was organized to reflect on and celebrate his career. - [Does the sex of a simulated patient affect CPR?](https://noldus.com/blog/does-sex-simulated-patient-affect-cpr): When faced with either a male or female patient simulator, both men and women rescuers appeared reluctant to remove a female patient simulator’s clothing. - [Which head and neck positions are stressful for your horse during lunging?](https://noldus.com/blog/head-and-neck-positions-horse): Being a horse owner and a Noldus employee is the perfect combination when it comes to keeping track of the scientific background for my horseback riding hobby. - [Gait research: let your animals walk freely](https://noldus.com/blog/gait-research): Researchers use different ways to analyze gait in animals. In what instances would a study benefit from a system that is based on voluntary walking? - [Video-tracking the effect of influenza infection on ferrets](https://noldus.com/blog/video-tracking-effect-influenza-infection): Ferrets are the ideal animal model to assess influenza virus infection and pathogenicity as they display similar clinical symptoms to humans such as sneezing, fever and lethargy. - [Behavior and emotions of older adults](https://noldus.com/blog/behavior-emotions-older-adults): Can TV footage motivate older persons to start being more active? Being active can improve the overall health of a person (65+ but of course also 65-!). - [10 behavioral studies on Alzheimer’s and Parkinson’s](https://noldus.com/blog/10-studies-alzheimers-parkinsons): This blog post features 10 interesting studies that use innovative techniques to study models of AD and PD and important underlying neuronal mechanisms. - [How Ginkgo biloba helps treat Alzheimer’s](https://noldus.com/blog/ginkgo-biloba-alzheimers): Xu Liu and colleagues recently investigated the effects of Ginkgo biloba extract on a mouse model for Alzheimer’s disease (AD). - [Motivation and eating: deep brain imaging in freely moving mice](https://noldus.com/blog/deep-brain-imaging): Craving a snack, the joy of eating it. The part of our brain that regulates this is the lateral hypothalamus. An interesting targer for addiction and eating disorder research. - [How autistic fruit flies behave](https://noldus.com/blog/how-autistic-fruit-flies-behave): The number of children diagnosed with developmental disorders has increased exponentially in the past 20 yearschemicals such as BPA have been under investigation lately. - [Location is everything: Measuring visitor behavior](https://noldus.com/blog/measuring-visitor-behavior): Want to know where the action is? Interested in getting real-time feedback about a conference, concert, or event hotspots? Read more about the Crowd Emotion Monitor app. - [How to measure the social behavior of Fragile X mice](https://noldus.com/blog/social-behavior-of-fragile-x-mice): The treatment of Fragile X syndrome is limited to the symptoms. One of the factors currently holding back drug development is the difficulty of finding a reliable behavioral test for neurobiological studies. - [Side effects of L-DOPA investigated in parkinsonian rats](https://noldus.com/blog/l-dopa-and-parkinsonian-rats): These studies specifically investigate the long-term effects of L-DOPA or levopoda, a common clinical treatment for Parkinson's disease, with which many patients struggle. - [Parkinson’s & gait impairment: comparing rats and humans](https://noldus.com/blog/parkinsons-gait-impairment): Gait impairment is one of the most prominent symptoms of Parkinson's disease. For good research you need good models and good tests. - [How males and females are different: can this explain autism?](https://noldus.com/blog/males-females-differences-autism): Women and Venus, men and Mars, right? In mice, the establishment of social hierarchies is sex-dependent. - [Why non-verbal behavior matters](https://noldus.com/blog/why-non-verbal-behavior-matters): Basil Preisig and his colleagues at the University of Bern, Switzerland, were especially interested in communicative development of people diagnosed with language disorders like aphasia. - [How young zebrafish cope with stress](https://noldus.com/blog/how-young-zebrafish-cope-with-stress): Stress is a natural thing, and how we cope with it differs from person to person. In research, we use the term coping style, something that emerges early on in life for zebrafish. - [Zinc deficiency, depression and electrical signals in the brain](https://noldus.com/blog/zinc-deficiency-depression): Depression has a dramatic effect on quality of life because it results in a persistent low mood that is accompanied by a low self-esteem and a loss of interest in things that give pleasure. - [Fearful chicken: Fear affects stress, behavior patterns, and other individuals](https://noldus.com/blog/fearful-chicken): Elske de Haas, Ph.D. studied the effects of fearfulness on the chickens' own behavior and physiology, but also what it did to other individuals. - [The impact of health information technology on doctor-patient interaction](https://noldus.com/blog/health-information-doctor-patient-interaction): Embracing the technological advances of the last decade, many health care professionals have incorporated information technology into their daily routines. - [Ladybugs and lacewings do not spy on their prey’s alarm pheromone](https://noldus.com/blog/aphid-predators): Leaf sucking creatures like plant aphids are common and can cause considerable damage to plants. Therefore, quite a lot of effort is made to control these tiny creatures. - [How to really challenge mice cerebellar plasticity](https://noldus.com/blog/mice-cerebellar-plasticity): Jan-Willem Potters used the ErasmusLadder in his thesis research to study the role of specific mutations of plasticity in the cerebellar microcircuit of mice. - [Picky cats and tasty food – sniffing is an indicator for tastiness](https://noldus.com/blog/sniffing-indicator-tastiness): Cats can be extremely picky when it comes to food. If the cat doesn’t like it, it will refuse to eat. Reason enough for the pet food industry to try to find out what cats really like. - [A high-throughput method to screen natural behavior of mice](https://noldus.com/blog/high-throughput-method-natural-behavior-mice): Traditional standard tests with rats or mice are carried out immediately after human interference. Therefore, the behavior of the animals may not be natural and spontaneous. - [Making sense of the senses: The real cost of paying attention](https://noldus.com/blog/senses-distraction): We live in a demanding world: the snort of an email, the squeal of a text, fare alerts, breaking news, SQUIRREL! What was I saying? Oh yes, we live in a distracted world. - [Anxiety is ancient – how crayfish resemble vertebrates](https://noldus.com/blog/anxiety-ancient-crayfish): Fear is something we all know. It changes our behavior: we freeze, try to escape, or respond with aggression. Fear can also cause anxiety, which is a more complex phenomenon. - [Inhibitory avoidance learning in zebrafish (Danio rerio)](https://noldus.com/blog/inhibitory-avoidance-learning-zebrafish): The zebrafish (Danio rerio) is increasingly being used as model in behavioural, neurobiological and genetic research. - [Measuring experiential, behavioral, and physiological outputs](https://noldus.com/blog/social-interaction-task-couples): In a romantic relationship, it is undoubtedly important to show support when one’s partner shares his or her accomplishments and positive life events. - [Walking the ladder: testing the cellular source of motor functioning in mice](https://noldus.com/blog/motor-functioning-mice): The cerebellum, our “little brain”, is all about motor control; more specifically, it’s about coordination, precision, and timing. - [What a horse likes to eat: how to test dietary preferences](https://noldus.com/blog/test-dietary-preferences-horses): Redgate and colleagues looked into the addition of a monadic phase (a phase in which only one food was offered at a time instead of all of the options) to choice testing. - [The accuracy of measuring fish aggression by using mirror tests](https://noldus.com/blog/measuring-fish-aggression): To examine the response of cichlids to their mirror image, Balzarini et al. used three sympatric species from Lake Tanganyika and did the mirror test for measuring aggression. - [The relationship between food scarcity and caching in fox squirrels](https://noldus.com/blog/food-scarcity-and-caching-fox-squirrels): We’ve all seen squirrels carrying acorns around in their mouths and burying them in the ground. This is a way to hoard food, and most squirrels use a strategy called scatter-hoarding. - [How wild cavies and domesticated guinea pigs differ](https://noldus.com/blog/how-wild-cavies-domesticated-guinea-pigs-differ): Domestication has a considerable effect on the behavior of animals. The dramatic change in their environment and provision of food alter the need for behaviors such as exploration. But what exactly is the difference? - [The impact of visitor access in a shelter on the welfare of shelter dogs](https://noldus.com/blog/welfare-shelter-dogs): If you’ve ever been to a shelter to adopt a dog, you know that when you walk into the holding area, the dogs can get very noisy. - [Adolescent Motherhood – observing mother-infant behavior](https://noldus.com/blog/observing-mother-infant-behavior): Adolescent mothers are tackling their transition to adulthood and the transition to parenthood. This is called the double risk for mother and infant, inherent in adolescent motherhood. - [How an internal clock gene can alter innate behaviors in mice](https://noldus.com/blog/internal-clock-gene-mice): Some might argue that laboratory mice are not the same as wild mice, yet they remain capable of performing the innate, routine behaviors necessary to survive in natural environments, such as courtship and nest-building, - [Interspecific aggression: spotted dolphins vs. bottlenose dolphins](https://noldus.com/blog/interspecific-aggression-dolphins): In the animal kingdom, competition is a part of life. Dominance hierarchies are common both within a group in a species (intergroup) or between two different species (interspecific). - [The welfare of therapy dogs](https://noldus.com/blog/welfare-therapy-dogs): Dogs have been used with adult substance abuse patients in animal-assisted interventions (AAIs) and animal-assisted therapy (AAT). Why use dogs in therapy? The impact of animal-assisted therapy on the dogs. - [How to measure emotions in pigs](https://noldus.com/blog/how-to-measure-emotions-pigs): A commonly used assay for assessment of fear in animals is the novel environment test.In this test, an animal is placed in an arena for a particular time period and behaviors are scored. - [6 things you must consider to improve your open field testing](https://noldus.com/blog/improve-your-open-field-testing): Here are six recommendations the authors list to improve the translational and predictive value of behavioral readouts. - [The do’s and don’ts in behavioral testing: improve your open field test](https://noldus.com/blog/behavioral-testing-improve-your-open-field-test): Scientists have been performing open field tests for quite some time now. Over the years it has become one of the most popular tests in rodent behavioral research. So what’s not to love? - [Insect damage on leaves changes the reproductive strategy of plants](https://noldus.com/blog/optimizing-pollination): We all know that the majority of plant species depends on pollinators, like bees and syrphid flies, for reproduction. What most of us do not know is that this process is far more complex than it looks at first sight. - [How zebrafish regenerate (and how to measure their recovery)](https://noldus.com/blog/zebrafish-regenerate-measure-their-recovery): We all know of animals that are able to regenerate: lizards that grow back their tails, flatworms that can grow into new worms when cut in half. Zebrafish have this special ability as well. - [How zebrafish are changing neuroscience](https://noldus.com/blog/how-zebrafish-are-changing-neuroscience): Zebrafish. This little fish is a vertebrate, and a relatively complex one. Looking at the major neurotransmitters and hormones that are investigated in neuroscience, they are as good of a model as many mammalian species. - [Are there objective tests for predicting autism severity?](https://noldus.com/blog/objective-tests-predicting-autism-severity): Some disorders cannot simply be diagnosed with a blood test or tissue-culture. Autism Spectrum Disorder (ASD) is a good example; its diagnosis relies upon behavioral tests and questionnaires. - [Physiological and behavioral analysis: coping with stress](https://noldus.com/blog/physiological-and-behavioral-analysis): Having a behavioral coping strategy means that a person can regulate emotions and deal with stressful situations. - [Why wolves cry out for their friends](https://noldus.com/blog/why-wolves-cry-out-for-their-friends): Why do wolves howl? From research, movies, and even television series, we learn that wolves cry out to each other to facilitate the reassembling of a pack when members have strayed. - [Healthcare communication - dealing with emotions](https://noldus.com/blog/healthcare-communication-dealing-emotions): Communication studies have shown that breaking bad news is best be done immediately and with clear wording. What is the best step forward? - [How to mark zebrafish without compromising their behavior](https://noldus.com/blog/how-to-mark-zebrafish): How to mark zebrafish without compromising their behavior? They may have just found the answer to this at the University of Toronto. Cheung et al. tried out a method using subcutaneous injection with dyes. - [Why rats help other rats](https://noldus.com/blog/why-rats-help-other-rats): As humans, we help each other because it is the right thing to do. We help our friends and our family. And of course we help strangers as well. Right? - [How to easily automate the elevated plus maze test](https://noldus.com/blog/how-to-automate-the-elevated-plus-maze-test): Anxiety. It is nature’s way to keep us out of harm’s way, so it is a useful emotion. At times, though, it can also be overwhelming. For some, it gets out of control, irrational, and even disabling. - [How memory loss caused by diabetes was prevented in transgenic mice](https://noldus.com/blog/memory-loss-prevented-transgenic-mice): Did you know that Alzheimer’s and diabetes are linked? Patients with diabetes have an increased risk for Alzheimer’s disease (AD) and patients with AD show impaired insulin function and glucose metabolism. - [Why guinea pigs are just like us](https://noldus.com/blog/why-guinea-pigs-are-just-like-us): If zebrafish are the new mice, guinea pigs might be the new rats. Guinea pigs differ from mice and rats, and that just might make them more suitable due to the fact that these results are more easily translated to humans. - [Nurse-child interaction - observing medical encounters](https://noldus.com/blog/nurse-child-interaction): In order to help health professionals and parents manage child distress more effectively, researchers started observations of real interactions in healthcare in a community setting. - [Doctor-patient communication training program evaluated](https://noldus.com/blog/doctor-patient-communication): Every day, new training programs find their way to hospitals and clinics to help professionals convey their message efficiently and effectively in order to practice their profession. - [Autism Top 8 Blog Articles from the Behavioral Research Blog](https://noldus.com/blog/autism-8-blog-posts): It was no surprise that these blog articles attracted lots of attention. Autism is the fastest-growing serious developmental disability in the U.S. (www.autismspeaks.org). Read the Autism Top 8 Blog Articles. - [How Automatic Rat Behavior Recognition was developed](https://noldus.com/blog/automatic-rat-behavior-recognition): If you are familiar with neurobehavioral research in any way, you will know that variables like velocity and distance moved are important parameters in a lot of animal behavioral experiments. - [Measuring behavioral effects of laboratory rearing on starlings](https://noldus.com/blog/behavioral-effects-laboratory-rearing): Rearing animals specifically for behavioral research is a very common practice. However, the results from behavioral studies with laboratory animals should be interpreted with care. - [Top 5 novel object recognition articles](https://noldus.com/blog/top-5-novel-object-recognition-articles): Novel object recognition is one of the most commonly used behavioral tests on laboratory rodents. It is also easily automated with video tracking software. Want to know how? - [Facial expressions - reactions to bitter food vary between high and low BMI](https://noldus.com/blog/facial-expressions-reactions-to-bitter-food): Overweight and obese individuals are at increased risk for many diseases and health conditions. By 2050, as much as 50% of the UK population could be obese at a cost of £50 billion a year. - [Measuring the creative process](https://noldus.com/blog/measuring-the-creative-process): How can you come to better understand what is going on in the creative process? A living lab studying the work of a writer, painter, musician or other creative person might provide the answer. - [Behavior predicts success of family-based treatment in anorexia](https://noldus.com/blog/family-based-treatment-in-anorexia): Anorexia nervosa is a horrible eating disorder that affects many people around the world. Looking at the United States only, between 0.5–1% of all women suffer from anorexia. - [Primate behavior - cracking the nut, fur rubbing & mating behavior](https://noldus.com/blog/primate-behavior-mating): Interested in primatology? Today we present to you three blog posts and a couple of interesting websites! - [Making the impossible possible – Tracking under water in the dark](https://noldus.com/blog/tracking-glass-eels): European eels (Anguilla anguilla) have a life cycle in which both larvae and adults travel incredible distances. The eggs hatch in the Sargasso Sea near North America and the larvae swim all the way to Europe. - [Smelly feet and heat – how malaria mosquitoes find their hosts](https://noldus.com/blog/how-malaria-mosquitoes-find-their-hosts): It seems that mosquitoes use human body odor to locate suitable hosts, and different people smell differently to mosquitoes. - [Testing PCBs toxicity - behavior in zebrafish and their offspring](https://noldus.com/blog/testing-pcbs-toxicity-behavior-zebrafish): PCBs are synthetic molecules that were used in transformers, electric motors, and more applications. It was quickly discovered that these molecules are toxic, and subsequently, they were banned. - [Unraveling the chemistry of mood disorders](https://noldus.com/blog/unraveling-chemistry-mood-disorders): The most common psychiatric disorders are mood and anxiety related. However, the underlying mechanisms of these diseases are still largely unknown. This complicates the development of effective treatment and drugs. - [Effective security screening and airport processes](https://noldus.com/blog/behavior-airport): Do you know this feeling? You are impatiently waiting in line for the security screening. There is a lot going on at an airport and the security screening is just one of the activities. - [Standing cows](https://noldus.com/blog/standing-cows): Does it matter how much time a cow spends standing up or lying down? Bert Tolkamp thought that it did matter, and he proved his point by winning an IgNobel prize for his work on this. - [How zebrafish and optogenetics are great for investigating stress](https://noldus.com/blog/zebrafish-and-optogenetics): By this point, we do not need to tell you how popular zebrafish are. We also probably do not need to point out the great technological advances that are being made in research because of the use of optogenetics. - [Using CatWalk gait analysis to study monoarthritis in mice](https://noldus.com/blog/arthritis-gait-analysis): Researchers are always looking for new ways to alleviate symptoms of arthritis. The CatWalk XT has been shown to be very useful in research involving arthritis in rodent models. - [The effects of quantum dots on zebrafish larvae locomotor behavior](https://noldus.com/blog/quantum-dots-toxicity-zebrafish-larvae): Ever heard of quantum dots? These dots are nanoparticles made of a semiconductor material, which have unique optical properties, making them of great interest for fields such as biological imaging, medical diagnostics. - [A-bad-influence: Parent substance use disorder and child outcomes](https://noldus.com/blog/parent-substance-use-disorder-influence-child): Like parent, like child. Children become who they are with the influence of all of their past experiences and often, the parents are a large part of that influence. - [Tracking a wide variety of animals](https://noldus.com/blog/tracking-wide-variety-animals): Video tracking is used to track a widevariety of animal species in even more different test arenas. From insects of 1 mm on leaf discs, to monkeys in a cage, or zebra fish in an aquarium. - [To mate or not to mate? Females are less choosy when males are rare](https://noldus.com/blog/fish-mating-preference): Having a choice for a mating partner is extremely important for females, so they can be critical in choosing which male to mate with. - [Vocalizations as an early life behavioral marker for ASD](https://noldus.com/blog/vocalizations-asd): One of the prominent features of autism spectrum disorder (ASD) is impaired communication. However, most diagnoses of ASD happen after the child is more than 3 years old. - [Zebrafish research: behavioral differences between wild-type strains](https://noldus.com/blog/zebrafish-behavioral-differences): Often in animal research, animals with a certain genetic alteration are compared to a “wild-type”. One might assume that there is no differences between wild-types, but many different strains of wild-type animals are used. - [Classroom observations - behavior of children with and without ADHD](https://noldus.com/blog/classroom-observations-adhd): The relationship between reaction time variability and observed attention in children with and without ADHD. - [Caterpillars speed up seed production in plants](https://noldus.com/blog/seed-production-plants): Did you know that plants are not as passive as they appear to be at first sight? Although plants cannot run away when they are attacked by plant eating insects, they have several sophisticated ways to defend themselves. - [Autism research - mothers of high-risk children use more gestures](https://noldus.com/blog/behavioral-observations-autism-research): Children with autism spectrum disorder (ASD) often have delayed development in communication and language. This impaired development can be present even in the first year of their lives. - [How environmental enrichment reduces the effects of stroke](https://noldus.com/blog/environmental-enrichment-stroke): Some research requires animals to be studied in groups. For this it is very useful to have video tracking software that can automatically track the behavior of multiple animals simultaneously. - [Using several behavioral tests to investigate the role of the NR1 gene in schizo](https://noldus.com/blog/behavioral-tests-gene-schizophrenia): Studies of the mental disorder schizophrenia in lab animals often include behavioral tests to investigate social behavior, cognitive abilities, and motor functioning. - [The effect attention training has on social anxiety disorder](https://noldus.com/blog/attention-training-social-anxiety-disorder): It is inevitable that everyone will experience anxiety and stress at some point in their lives. Most individuals are able to move past their stress with just a little bit of effort. - [Mice with Alzheimer’s disease walk well but remember poorly](https://noldus.com/blog/mice-alzheimers-disease): A large number of genetically engineered mouse models are available to study different aspects of Alzheimer’s disease. - [Relational Agents: the use and testing of avatars for HCI](https://noldus.com/blog/avatars-human-computer-interaction): Relational Agents (RAs) are computer constructs designed to interact with humans in a way that promotes the long-term formation of social and emotional bonds. - [Circadian rhythmicity and other behavioral studies](https://noldus.com/blog/circadian-rhythmicity-behavioral-studies): Many labs use video tracking software to increase the efficiency of their research. In fact, EthoVision XT video tracking software has just reached an impressive milestone: 2000 sites worldwide. - [Playing virtual games with frames](https://noldus.com/blog/frames-display-influences-behavior): For public displays nowadays, we are no longer limited to traditional square and flat designs. More wild and appealing forms like curves, spheres, or columns are now possible as well. - [Combining physiology and behavior to create a stress scale for horses](https://noldus.com/blog/stress-scale-horses): We all are familiar with stress, and how it can have an impact not only on our behavior, but on our bodies and physiology as well. Many people get stress headaches or start to feel sick if they reach high levels of stress. - [Plants with more linalool smell good, but taste bad](https://noldus.com/blog/insect-studies): Plant volatiles play an important role in the interaction between plants and insects that eat them. Insect damage very often induces plants to produce volatiles. - [Pesticides in bee colonies affect the behavior of bees](https://noldus.com/blog/pesticides-in-bee-colonies): In the past 20 years, populations of honeybees have declined all over the world. This is partly caused by the increased occurrence of parasites and pathogens. - [Determining the effect of social hierarchy on foraging in coyotes](https://noldus.com/blog/effect-social-hierarchy-coyotes): Whether it’s an older sibling taking the last piece of cake from their younger sibling or a dominant coyote shoving a subordinate out of the way so it can eat the food, nature has its hierarchies. - [Developing a high-throughput method - EthoGenomics](https://noldus.com/blog/high-throughput-method-ethogenomics): Ornamental flowers are among the main export products of The Netherlands. Thrips are one of the most important pests on ornamental flowers. - [Predicting Advertising Effectiveness: Facial Coding of 120.000 Video Frames](https://noldus.com/blog/predicting-advertising-effectiveness): The advertising and marketing companies have just received a new addition to their repertoire of the neuromarketing tools – automated coding of facial expressions of basic emotions. - [How to analyze nurse-patient consultations](https://noldus.com/blog/how-to-analyze-nurse-patient-consultations): Efficient and effective communication is necessary in doctor-patient as well as nurse-patient consultations. - [Video tracking of children with autism](https://noldus.com/blog/video-tracking-children-autism): Automated video tracking is a valuable tool for studies on animal models of autism (ASD). Diagnosis of ASD is based on behavior alone in humans, so naturally, behavior is an important part of human as well as rodent studies. - [Robot-child interactions – helping children with autism learn skills](https://noldus.com/blog/robot-child-interactions-children-autism): Human-Computer Interaction research may go a lot further than just evaluating an office worker interacting with a stationary computer or laptop. - [The power of zebrafish in the study on Parkinson’s Disease](https://noldus.com/blog/the-power-of-zebrafish-parkinsons-disease): Zebrafish have proven to be a good model for Parkinson’s Disease (PD) research. They express several highly conserved genes that are associated with PD. - [Testing without stress: high-throughput phenotyping](https://noldus.com/blog/high-throughput-phenotyping-home-cage): The ability to recognize harmful situations and respond accurately is important for the survival of any animal. In order to respond to these situations the animal must be able to learn, remember, and alter its behavior. - [Classroom observations including facial expression analysis](https://noldus.com/blog/classroom-observations-facial-expression): Internet and technology usage, including computers, tablets, and mobile phones, has increased exponentially in the past few years. - [Tracking zebrafish activity to study a key element in circadian rhythmicity](https://noldus.com/blog/zebrafish-activity-circadian-rhythmicity): Zebrafish are a popular model of choice for many researchers, including chronobiologists. That’s because zebrafish rapidly develop their ‘inner clock’ (circadian system) – and because this system is highly light-entrainable. - [Observing monkey behavior – cracking the nut](https://noldus.com/blog/observing-monkey-behavior): We already know some monkeys display above average intelligence. One way by which we can tell is their use of tools. Studies have shown that capuchin monkeys use boulders and logs as anvils upon which they can crush nuts. - [Zebrafish with Parkinson's](https://noldus.com/blog/zebrafish-parkinsons-research): Parkinson’s Disease (PD) is one of the main neurodegenerative diseases and many researchers are involved in investigating this disease and developing treatments - [Connects some dots - cognitive impairment and cranial radiation](https://noldus.com/blog/cognitive-impairment-cranial-radiation): On a yearly basis, an estimated 20.000 individuals are diagnosed with primary brain tumors in the United States alone. About ten times that number of patients will receive treatment for primary or metastatic brain cancer. - [Human-robot interaction: Can you trust a robot?](https://noldus.com/blog/human-robot-interaction): How do you know if someone with whom you do business is telling the truth? When buying something from a stranger, we are trying to determine if he or she can be trusted, either consciously or unconsciously. - [Beautiful birds and UV – What we cannot see](https://noldus.com/blog/beautiful-birds-and-uv-what-we-cannot-see): Don’t we all enjoy the variety and intensity of bird colors? Male birds have perhaps the most impressive color display in nature. - [Zebrafish tracking to uncover subtle effects of embryonic alcohol exposure](https://noldus.com/blog/zebrafish-tracking-embryonic-alcohol-exposure): Zebrafish are not the first species one might think of as being exposed to alcohol in their natural environment. - [Why it is smart to test your animal in its home cage](https://noldus.com/blog/home-cage-testing): Behavior of laboratory rodents is often studied in well-controlled, simple experiments, in an environment that is fundamentally different from the animal’s home cage. - [Optogenetics and operant conditioning](https://noldus.com/blog/optogenetics-and-operant-conditioning): A great example of optogenetics in behavioral studies is the work of Dr. Kravitz and Dr. Kreitzer at the Kreitzer lab (currently, Kravitz works at the NIDDK in Bethesda). Let me tell you about it. - [Observations of surgeons as a tool to assess competency](https://noldus.com/blog/observations-surgeons-assess-competency): Medical doctors receive extensive education and training before and during their time spent working at a hospital or clinic. - [Video tracking and a bug repellant stronger than DEET](https://noldus.com/blog/video-tracking-bug-repellant): Last year the news was hitting the internet: The Zwiebel lab (Vanderbilt University, Nashville, Tennessee, USA) may have found a new bug repellant that is stronger than DEET. - [Optogenetics - Shining a light on brains and behavior](https://noldus.com/blog/optogenetics): Brains are complicated. We all know that. Like an entangled bunch of wires. Still, over the years, neuroscientists have been able to map out several brain regions and their functions in behavior and physiology. - [What behaviors to focus on – Airport passenger experiences](https://noldus.com/blog/passenger-retail-experience): To learn more about airport design and to investigate how to make time at an airport more enjoyable, Livingstone et al. undertook a study into passenger experience. - [Three examples of autism research studies](https://noldus.com/blog/examples-autism-research-studies): Knowledge is the key to developing a better understanding of autism. Researchers often observe and code behavior in combination with other research methods. - [Tracking zebrafish in 3D](https://noldus.com/blog/tracking-zebrafish-in-3d): Recognizing the lack of hands-on education, Dr. Kalueff has started organizing zebrafish behavioral neuroscience and phenotyping workshops. The workshops ran just before and after the SfN annual meeting, October 2012. - [Tracking tadpoles – why video tracking is important in ecotoxicology](https://noldus.com/blog/video-tracking-ecotoxicology): The study of behavior has proven itself to be useful in the context of ecotoxicology; the assessment of the impact of pesticides on ecology systems. It is a valuable tool in the risk assessment. - [5 must-read articles on zebrafish behavioral research](https://noldus.com/blog/zebrafish-behavioral-research): I have been reading a lot about zebrafish research lately and I thought it would be nice to share some of my favorite articles with you. - [Don’t dwell on it… dive into zebrafish research!](https://noldus.com/blog/dive-into-zebrafish-research): I recently wrote about other translations from rodent studies to zebrafish, such as the investigation of learning and memory and social behavior. Now it’s time to talk about anxiety and exploration. - [The search for autism models continues - why rats are important](https://noldus.com/blog/autism-models): Autism (ASD) continues to be an important topic in scientific research. Although finding the actual cause of ASD is still years away, there have been several studies that point to a strong genetic component. - [Why observe driver behavior and distraction](https://noldus.com/blog/why-observe-driver-behavior-and-distraction): Listening to your favorite music in your car can have a very uplifting effect and can help create a pleasant atmosphere. Also, having a conversation while driving can be a very efficient way of spending your time. - [Drunken mice get aggressive on Alzheimer’s drugs](https://noldus.com/blog/drunken-mice-get-aggressive-alzheimers-drugs): Will there ever be a cure for alcoholism? Well, some laboratory studies show that certain drugs might stop the cravings. But they might also cause serious side-effects such as aggressive behavior. - [A story of dogs and dolls](https://noldus.com/blog/a-story-of-dogs-and-dolls): When finding the right dog for yourself, you probably won’t choose an aggressive one, will you? You don’t want it to attack your friends, kids, or other dogs. You could try using a temperament test, but how reliable are they? - [Unraveling primate behavior, why do monkeys rub their fur?](https://noldus.com/blog/unraveling-primate-behavior): Did you know that tufted capuchin monkeys (Cebus apella) rub their fur vigorously with substances such as leaves, fruit, or insects? Such substances are often insecticidal, antiseptic, or anti-inflammatory. - [Secret sex and promiscuity - Mating behavior of Rhesus monkeys](https://noldus.com/blog/mating-behavior-rhesus-monkeys): In Rhesus monkeys the optimal sexual strategy is different for Alpha males, other males and females. Alpha males want females to mate exclusively with them, whereas other males and females benefit from promiscuity. - [Sex preference and other social aspects of zebrafish behavior](https://noldus.com/blog/social-aspects-zebrafish-behavior): Social behavior is a well-known topic of neuroscience research, since it is so often affected in psychiatric disorders. Think of obvious examples such as schizophrenia and autism. - [Human-robot interaction in remote friendships and family relations](https://noldus.com/blog/human-robot-interaction-in-relations): Don’t you miss the touch of a loved-one when they are far-away? Skype and a number of other communication channels are great solutions to talk and even video chat when you are apart. - [Time based relations in gait analysis](https://noldus.com/blog/temporal-gait-parameters): I have written two blog posts about static gait parameters. Now it’s time to talk about all four paws, and the time based relationships between them. If you ask me, we’ve been saving the best blog post for last! - [Nurse patient interaction - two coding schemes](https://noldus.com/blog/nurse-patient-interaction-two-coding-schemes): The world's population is ageing. International dementia and Alzheimer organizations state that there are an estimated 36 million people worldwide with dementia. - [Going the distance - and why it matters in gait analysis](https://noldus.com/blog/automated-gait-analysis): A footprint, that is. With CatWalk XT, you can extract a lot of information from just one footprint. In this post, I am taking it a step further by talking about the relationship between prints. - [What a print can tell](https://noldus.com/blog/footprint-parameters): So what can one footprint tell you? Well, it could tell you a lot. Simply putting the paw in ink and studying the print left behind is one way to go about it, but there are far more sophisticated ways of footprint analysis. - [What we can learn from zebrafish in a T-maze](https://noldus.com/blog/zebrafish-t-maze): Scrolling through our recent blogs, you can tell how important zebrafish have become in behavioral research. So we thought it was time to tell you a little more about some popular paradigms. Starting with the T-maze. - [Infant behavior experiments](https://noldus.com/blog/infant-behavior-experiments): When a baby is born prematurely, this baby and his or her parents often experience a rough start. You can think about eating problems, high risk of infection, or even anemia. - [Horse training methods: The importance of behavioral analysis](https://noldus.com/blog/horse-training-methods): In equitation sciences, there are at least two training strategies: the ‘natural’ way of horsemanship that allows the horse to evaluate action and reaction and horsemanship that is based on ‘overruling’ of the animal. - [What gait can tell: 3 blogs that will help you understand](https://noldus.com/blog/what-gait-can-tell): The usefulness of gait is well established in research on spinal cord injury, ataxia, and arthritis. But in fact, research on all disorders that influence gait in any way, can benefit from gait and footfall analysis. - [Brain waves and behavior: sleep to learn](https://noldus.com/blog/brain-waves-behavior-sleep): To find out more about human and animal learning and memory, we might just have to go to sleep. Ahem – research on sleep, I mean. - [How to find an animal model for obsessive-compulsive disorder (OCD)](https://noldus.com/blog/animal-model-obsessive-compulsive-disorder): We all show some form of compulsive behavior. I triple check to make sure I locked my car, knowing that it’s locked but still feeling the need. But what if compulsions, rituals, and repetition rule your everyday live? - [Can a food preservative increase symptoms of autism?](https://noldus.com/blog/food-preservative-increase-symptoms-of-autism): Autism spectrum disorder (ASD) has a strong genetic component – a well-known fact. However, recent studies suggest that environmental factors, such as dietary ingredients, can cause exacerbation of the symptoms. - [Walking in circles - the exploratory activity of Drosophila](https://noldus.com/blog/exploratory-activity-drosophila): Like rats and mice, fruit flies avoid open spaces and stay close to physical borders. In rats and mice this is caused by fear to be out in the open and preference for close contact with borders. - [Parent-child interaction: Measuring the effectiveness of interactions](https://noldus.com/blog/parent-child-interaction-effectiveness): Quality of parent-child interaction is one of the major predictors of emotional and social development of children, which makes parent-child interaction an important focus of child development research. - [How to know if an animal is nauseated](https://noldus.com/blog/know-if-an-animal-nauseated): Nausea is a prominent factor influencing the quality of life for patients undergoing chemotherapy. That is why it is useful to study the nauseating side effects of therapies or the anti-nauseating potential of drugs. - [Zebrafish and withdrawal](https://noldus.com/blog/zebrafish-and-withdrawal): Recent work done by Khor et al. (2011) looked at the effect of mitragynine on behavior in zebrafish going through withdrawal after chronic morphine exposure. The effects of Mitragynine on morphine-withdrawn zebrafish. - [Three ways to test hallucinogens on zebrafish](https://noldus.com/blog/test-hallucinogens-on-zebrafish): Hallucinogenic drugs (psychedelics) have a growing significance in biopsychiatric research. Zebrafish are a popular animal model and seem highly sensitive to various drugs of abuse. - [Bed bug behavior - What smell can tell](https://noldus.com/blog/bed-bug-behavior): Bed bugs are on the rebound in developed countries. Traditionally, bed bugs are controlled with pesticides. However, traps with attractive human body odors are a promising alternative. - [The search for robust fear inducing stimuli in zebrafish research](https://noldus.com/blog/fear-inducing-stimuli-zebrafish-research): Zebrafish behavioral research has grown by leaps and bounds, and behavioral paradigms are being developed with the aim of better understanding mechanisms that might underlie aberrant behavioral phenotypes. - [Clinical interviews – analyzing verbal and non-verbal behavior](https://noldus.com/blog/clinical-interviews): In general, researchers choose the methods and techniques that best suit their research objectives. That’s no different when researching doctor-patient communication or any other clinical interview setting. - [Zebrafish research: growing demands in South America](https://noldus.com/blog/zebrafish-research-south-america): It was at the Society for Neuroscience last November that I was invited to speak at the second annual LAZEN meeting held last December in Porto Alegre, Brazil. - [Three examples of swimming rats in traumatic brain injury research (TBI)](https://noldus.com/blog/traumatic-brain-injury-research): The Morris water maze and EthoVision, a validated solution to investigate learning and memory in rats and mice. - [Observing behavior - Jury deliberations, what happens behind closed doors](https://noldus.com/blog/observing-behavior-jury-deliberations): Researchers increasingly study what goes on behind closed doors. Thirty mock-jury deliberations were filmed and behaviors were then coded using The Observer software. - [Systematic behavioral observation – two coding scales](https://noldus.com/blog/behavioral-observation): Structured observations are one of the many ways to gather data. Observing behavior rather than asking questions about it can provide you with a multitude of valuable information. - [Recent applications of locomotor and gait analysis](https://noldus.com/blog/locomotor-and-gait-analysis): Stem cell research is a promising area of research for spinal cord injury. With 1,25 million individuals suffering from chronic spinal cord injury in the US alone, new treatment approaches are necessary. - [Horses: behavioral research, physiology and biomechanics](https://noldus.com/blog/equitation-sciences): Besides the study of the relation between humans and popular pets such as cats and dogs, human-horse interaction is an increasingly popular subject of science. - [Behavioral assays establish zebrafish in drug screening](https://noldus.com/blog/behavioral-assays-zebrafish-drug-screening): Zebrafish are increasingly swimming into the view of large-scale drug screening projects. Behavioral screens can be used as a first-line detection tool for new drug effects, and their popularity continues to grow. - [Observing social behavior and communication in wild elephants](https://noldus.com/blog/observing-wild-elephants): A trunk-to-mouth greeting ritual. Yes. We are talking about elephants here. - [Learning to use animal models for psychiatric disorders](https://noldus.com/blog/animal-models-psychiatric-disorders): Recently Lucas Noldus was interviewed for a technology feature in Nature; “Inside the minds of mice and men” by Monya Baker. - [Zebrafish as lab animal increasingly popular](https://noldus.com/blog/zebrafish-as-lab-animal-increasingly-popular): Zebrafish is the new rat. Or mouse. More and more rodents in the lab are being replaced by these nifty little striped fish. They are easy to maintain, reproduce and develop rapidly. - [Temporal patterns (T-patterns) in behaviors cats and their owners](https://noldus.com/blog/temporal-patterns-cats-owners): Noldus provides many solutions for research on the behavior of both animals and humans. On occasion, a Noldus solution is used for both animal and human research at the same time. ## Free Resources & Guides - [A Buyer’s Guide to the Perfect Video Tracking Setup](https://noldus.com/video-tracking-buyers-guide): Our video tracking buyer's guide lays out the groundwork for you and compares all the options out there on the market. - [Basic Behavioral Neuroscience in Rodents](https://noldus.com/rodent-neuroscience-ebook): Check out our free downloadable e-book where we explain from A to Z why and how we measure certain behavior in rodents - [Basic Behavioral Neuroscience in Zebrafish](https://noldus.com/zebrafish-neuroscience-ebook): Check out our free downloadable e-book where we explain from A to Z why and how we measure certain behavior in zebrafish - [The AV Lab: Buyer's guide and ultimate how-to](https://noldus.com/av-lab-guides): An AudioVisual lab is designed to allow you to observe your test participants unobtrusively. The e-book contains all the steps for setting up your AV lab. Free ## Product Documentation (free downloads) - PhenoTyper - EthoVision 19 - Service manual (manual, EthoVision XT) - PhenoTyper - EthoVision 19 - Reference manual (manual, EthoVision XT) - EthoVision 19 - Trial and Hardware control - Reference manual (manual, EthoVision XT) - EthoVision 19 - Technical note - Merging heatmaps from different arenas (manual, EthoVision XT) - EthoVision 19 - Technical Note - Decoding and encoding video with the GPU (manual, EthoVision XT) - EthoVision 19 - Quick-start-guide - italiano (quick start guide, EthoVision XT) - EthoVision 19 - Quick start guide - Français (quick start guide, EthoVision XT) - EthoVision 19 - Quick start guide - Español (quick start guide, EthoVision XT) - EthoVision 19 - Quick start guide - English (quick start guide, EthoVision XT) - EthoVision 19 - Quick start guide - Deutsch (quick start guide, EthoVision XT) - EthoVision 19 - Quick start guide - Chinese (quick start guide, EthoVision XT) - EthoVision 19 - Help guide (manual, EthoVision XT) - EthoVision 19 - Application manual (manual, EthoVision XT) - DanioVision DVOC-0050 - EthoVision 19 - Reference manual (manual, EthoVision XT) - DanioVision DVOC-0041 - EthoVision 19 - Reference manual (manual, EthoVision XT) - Catwalk 11.0 Reference manual (manual, CatWalk XT) - CatWalk 11.0 - Quick Start Guide (manual, CatWalk XT) - FaceReader 10 - Help file (manual, FaceReader) - UltraVox XT 4 - Help (manual, UltraVox XT) - Track3D 2 - Reference Manual (manual, Track3D) ## White Papers, Technical Specs & Case Studies (free, no registration) - [FaceReader - Technical Specifications](https://noldus.com/download/document/facereader-technical-specifications): FaceReader - Technical Specifications - [EthoVision XT17.5 - Technical Specifications](https://noldus.com/download/document/ethovision-xt175-technical-specifications): EthoVision XT17.5 - Technical Specifications - [The Observer XT - Technical Specifications](https://noldus.com/download/document/the-observer-xt-technical-specifications): The Observer XT - Technical Specifications - [EthoVision XT - white paper - fear conditioning](https://noldus.com/download/document/ethovision-xt-white-paper-fear-conditioning): EthoVision XT - white paper - fear conditioning - [Novel tank diving test](https://noldus.com/download/document/novel-tank-diving-test): EthoVision XT - white paper - Novel tank diving test - [White paper - FaceReader - FACS](https://noldus.com/download/document/white-paper-facereader-facs): White paper - FaceReader - FACS - [Technical Specifications - EthoVision XT 18 - rodents](https://noldus.com/download/document/technical-specifications-ethovision-xt-18-rodents): Technical Specifications - EthoVision XT 18 - rodents - [White paper - FaceReader - FairFace validation](https://noldus.com/download/document/white-paper-facereader-fairface-validation): White paper - FaceReader - FairFace validation - [White paper - How does AV recording tool Viso work](https://noldus.com/download/document/white-paper-how-does-av-recording-tool-viso-work): White paper - How does AV recording tool Viso work - [EVXT module description](https://noldus.com/download/document/evxt-module-description): EVXT module description - [White paper - AV Lab - Unobtrusive observations](https://noldus.com/download/document/white-paper-av-lab-unobtrusive-observations): White paper - AV Lab - Unobtrusive observations - april 2022 - [Viso - System configuration](https://noldus.com/download/document/viso-system-configuration): Viso 12 - System configuration - [E-book neuroscience snippit | Anxiety](https://noldus.com/download/document/e-book-neuroscience-snippit-anxiety): a snippit of the neuroscience ebook focussed on anxiety research - [EthoVision XT - case study - mice avoidance learning](https://noldus.com/download/document/ethovision-xt-case-study-mice-avoidance-learning): EthoVision XT - case study - mice avoidance learning - [Education and Training - Product Portfolio](https://noldus.com/download/document/education-and-training-product-portfolio): Education and Training - Product Portfolio - [White paper - FaceReader - In combination with eye tracking](https://noldus.com/download/document/white-paper-facereader-in-combination-with-eye-tracking): White paper - FaceReader - In combination with eye tracking - [E-book neuroscience snippit | T and Y maze](https://noldus.com/download/document/e-book-neuroscience-snippit-t-and-y-maze): a snippit of the neuroscience ebook focussed on the Y & T maze - [Water maze testing and Alzheimer’s](https://noldus.com/download/document/water-maze-testing-and-alzheimers): White paper - Water maze testing and Alzheimer’s - [E-book neuroscience snippit | Barnes maze](https://noldus.com/download/document/e-book-neuroscience-snippit-barnes-maze): a snippit of the neuroscience ebook focussed on the Barnes maze - [E-book neuroscience snippit | Water maze](https://noldus.com/download/document/e-book-neuroscience-snippit-water-maze): a snippit of the neuroscience ebook focussed on the water maze - [Tech specs CatWalk XT](https://noldus.com/download/document/tech-specs-catwalk-xt): Technical specs for CatWalk XT 10.7 - [EthoVision XT - white paper - zebrafish and epilepsy](https://noldus.com/download/document/ethovision-xt-white-paper-zebrafish-and-epilepsy): EthoVision XT - white paper - zebrafish and epilepsy - [E-book neuroscience snippit | Open field](https://noldus.com/download/document/e-book-neuroscience-snippit-open-field): a snippit of the neuroscience ebook focussed on the open field test - [E-book neuroscience snippit | Elevated plus maze](https://noldus.com/download/document/e-book-neuroscience-snippit-elevated-plus-maze): a snippit of the neuroscience ebook focussed on the elevated plus maze - [DanioVision - Technical Specifications](https://noldus.com/download/document/daniovision-technical-specifications): DanioVision - Technical Specifications - [E-book neuroscience snippit | Depression](https://noldus.com/download/document/e-book-neuroscience-snippit-depression): a snippit of the neuroscience ebook focussed on depression - [Leaflet - FaceReader - Baby FaceReader](https://noldus.com/download/document/leaflet-facereader-baby-facereader): Leaflet - FaceReader - Baby FaceReader - [End-User License Agreement](https://noldus.com/download/document/end-user-license-agreement): End-User License Agreement - [White paper - Infant studies](https://noldus.com/download/document/white-paper-infant-studies): White paper - Infant studies - [E-book neuroscience snippit | Radial arm maze](https://noldus.com/download/document/e-book-neuroscience-snippit-radial-arm-maze): a snippit of the neuroscience ebook focussed on the radial arm maze ## Knowledge Base - [Accessing EthoVision XT remotely](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/accessing-ethovision-xt-remotely) - [Activity, Mobility, and Movement: How much is my animal moving around?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/activity-mobility-and-movement-how-much-is-my-animal-moving-around) - [An overview of which software version is supported by which operating system](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/an-overview-of-which-software-version-is-supported-by-which-operating-system) - [Autism Research: Using FaceReader for Emotion Recognition Studies](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/autism-research-using-facereader-for-emotion-recognition-studies) - [Basler camera is not detected by EthoVision](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/basler-camera-is-not-detected-by-ethovision) - [Camera connection lost in Viso](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-viso/page/camera-connection-lost-in-viso) - [Camera is not detected in CatWalk XT 10.6](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/camera-is-not-detected-in-catwalk-xt-106) - [Can I add or alter zones in my Arena Settings after data acquisition in EthoVision XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/can-i-add-or-alter-zones-in-my-arena-settings-after-data-acquisition-in-ethovision-xt) - [Can I get certain dependent measures (e.g., "distance moved") by zone in EthoVision XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/can-i-get-certain-dependent-measures-eg-distance-moved-by-zone-in-ethovision-xt) - [Can I share my project with another user that has a different version of The Observer XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/can-i-share-my-project-with-another-user-that-has-a-different-version-of-the-observer-xt) - [Can I use a webcam with EthoVision?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/can-i-use-a-webcam-with-ethovision) - [Cannot open, view, playback, import, export or delete sessions in Viso](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-viso/page/cannot-open-view-playback-import-export-or-delete-sessions-in-viso) - [CatWalk 11 - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/catwalk-xt/page/catwalk-11-technical-specifications) - [CatWalk XT - Analyze Data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-analyze-data) - [CatWalk XT - Appendices](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-appendices) - [CatWalk XT - Carry out Data Acquisition](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-carry-out-data-acquisition) - [CatWalk XT - Classify Runs](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-classify-runs) - [CatWalk XT - File and Profile Management](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-file-and-profile-management) - [CatWalk XT - Installation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-installation) - [CatWalk XT - Introduction](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-introduction) - [CatWalk XT - Prepare Data Acquisition](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-prepare-data-acquisition) - [CatWalk XT - Set up an Experiment](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/catwalk-xt/page/catwalk-xt-set-up-an-experiment) - [CatWalk XT - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/catwalk-xt/page/catwalk-xt-technical-specifications) - [CatWalk XT 10.0, 10.5, or 10.6 does not open](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/catwalk-xt-100-105-or-106-does-not-open) - [CatWalk XT and Traumatic Brain Injury in Mice](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/catwalk-xt/page/catwalk-xt-and-traumatic-brain-injury-in-mice) - [CatWalk XT Case Study: Spinal Cord Injury](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/catwalk-xt/page/catwalk-xt-case-study-spinal-cord-injury) - [CatWalk XT classified footprints are grayed out](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/catwalk-xt-classified-footprints-are-grayed-out) - [Changing the exposure settings for Basler cameras](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/changing-the-exposure-settings-for-basler-cameras) - [Check network settings for a Basler camera](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/check-network-settings-for-a-basler-camera) - [Color-marking animals for EthoVision](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/color-marking-animals-for-ethovision) - [Configuration error when selecting Location for recording in Viso](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-viso/page/configuration-error-when-selecting-location-for-recording-in-viso) - [Configuring the Epiphan Broadcaster in FaceReader](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/configuring-the-epiphan-broadcaster-in-facereader) - [Connecting a Basler camera](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/connecting-a-basler-camera) - [Connecting an optogenetics laser to be controlled by EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/connecting-an-optogenetics-laser-to-be-controlled-by-ethovision-xt) - [Connection lost with Viso Services](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-viso/page/connection-lost-with-viso-services) - [Correcting the Basler Drivers](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/correcting-the-basler-drivers) - [DanioScope shows unrealistic high values of heart rate, like 2x the actual heart rate. Why ?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-danioscope/page/danioscope-shows-unrealistic-high-values-of-heart-rate-like-2x-the-actual-heart-rate-why) - [DanioScope shows unrealistic high values of heart rate. Why?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-daniovision/page/danioscope-shows-unrealistic-high-values-of-heart-rate-why) - [DanioScope shows unrealistic low values of heart rate, like 15 BPM. Why ?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-danioscope/page/danioscope-shows-unrealistic-low-values-of-heart-rate-like-15-bpm-why) - [DanioScope shows unrealistic low values of heart rate. Why?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-daniovision/page/danioscope-shows-unrealistic-low-values-of-heart-rate-why) - [DanioVision - 1 What is DanioVision?](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-1-what-is-daniovision) - [DanioVision - 10 The DanioVision Tapping Device](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-10-the-daniovision-tapping-device) - [DanioVision - 11 The DanioVision Toplight Unit](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-11-the-daniovision-toplight-unit) - [DanioVision - 12 The DanioVision Optogenetics add-on](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-12-the-daniovision-optogenetics-add-on) - [DanioVision - 13 Data preparation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-13-data-preparation) - [DanioVision - 14 Analyze data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-14-analyze-data) - [DanioVision - 2 What’s new in DanioVision](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-2-whats-new-in-daniovision) - [DanioVision - 3 Set up DanioVision](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-3-set-up-daniovision) - [DanioVision - 4 Check the DanioVision system](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-4-check-the-daniovision-system) - [DanioVision - 5 Set up EthoVision XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-5-set-up-ethovision-xt) - [DanioVision - 6 Arena Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-6-arena-settings) - [DanioVision - 7 Trial Control Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-7-trial-control-settings) - [DanioVision - 8 Detection Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-8-detection-settings) - [DanioVision - 9 Acquire data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-9-acquire-data) - [DanioVision - A Open the DanioVision casing](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-a-open-the-daniovision-casing) - [DanioVision - B Fine camera adjustments](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-b-fine-camera-adjustments) - [DanioVision - C Additional hardware](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-c-additional-hardware) - [DanioVision - D System specifications](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/daniovision/page/daniovision-d-system-specifications) - [DanioVision - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/daniovision-technical-specifications) - [Deactivating a Noldus license on another computer](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/deactivating-a-noldus-license-on-another-computer) - [Diagnosing the Load Project Failed (Id 10459) error in The Observer](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/diagnosing-the-load-project-failed-id-10459-error-in-the-observer) - [Eco-Neurotoxicity: Zebrafish in Environmental Research](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/eco-neurotoxicity-zebrafish-in-environmental-research) - [Effects of Early Life Stress on Behavior](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/phenotyper-home-cage/page/effects-of-early-life-stress-on-behavior) - [Effects of Early Life Stress on Behavior](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/phenotyper-home-cage/page/effects-of-early-life-stress-on-behavior-Gre) - [Error contacting the license server in The Observer XT 16](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/error-contacting-the-license-server-in-the-observer-xt-16) - [Error E01 on the DanioVision Temperature Control Unit](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-danioscope/page/error-e01-on-the-daniovision-temperature-control-unit) - [Error Messages on the DanioVision Temperature Control Unit](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-danioscope/page/error-messages-on-the-daniovision-temperature-control-unit) - [EthoVision will not install and the resulting Log file says Access Denied 0x80070005](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-will-not-install-and-the-resulting-log-file-says-access-denied-0x80070005) - [EthoVision XT - 1 Introduction to Trial Control](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-1-introduction-to-trial-control) - [EthoVision XT - 10 User-defined hardware devices](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-10-user-defined-hardware-devices) - [EthoVision XT - 11 Analysis of Trial Control data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-11-analysis-of-trial-control-data) - [EthoVision XT - 12 Apply different protocols to different arenas](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-12-apply-different-protocols-to-different-arenas) - [EthoVision XT - 2 The Trial Control screen](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-2-the-trial-control-screen) - [EthoVision XT - 3 Program Trial Control](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-3-program-trial-control) - [EthoVision XT - 4 The Start-Stop trial rule](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-4-the-start-stop-trial-rule) - [EthoVision XT - 5 Sub-rules](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-5-sub-rules) - [EthoVision XT - 6 Conditions](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-6-conditions) - [EthoVision XT - 7 More about conditions based on dependent variables](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-7-more-about-conditions-based-on-dependent-variables) - [EthoVision XT - 8 Control hardware devices](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-8-control-hardware-devices) - [EthoVision XT - 9 The USB-IO box and the Mini USB-IO box](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-9-the-usb-io-box-and-the-mini-usb-io-box) - [EthoVision XT - Experiments with Calcium Imaging](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-experiments-with-calcium-imaging) - [EthoVision XT - General Information](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-general-information) - [EthoVision XT - GigE Camera Installation and Setup](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-installation-and-setup) - [EthoVision XT - GigE Camera: Adjusting Camera Settings in EthoVision XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-adjusting-camera-settings-in-ethovision-xt) - [EthoVision XT - GigE Camera: Camera Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-camera-settings) - [EthoVision XT - GigE Camera: How to Make a PC Report](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-how-to-make-a-pc-report) - [EthoVision XT - GigE Camera: Miscellaneous](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-miscellaneous) - [EthoVision XT - GigE Camera: Network Configuration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-network-configuration) - [EthoVision XT - GigE Camera: PCs Not Purchased from Noldus](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-pcs-not-purchased-from-noldus) - [EthoVision XT - GigE Camera: Physical Installation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-physical-installation) - [EthoVision XT - GigE Camera: Troubleshooting](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-troubleshooting) - [EthoVision XT - GigE Camera: Using Multiple GigE Cameras](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gige-camera-using-multiple-gige-cameras) - [EthoVision XT - GPU Video Decoding and Encoding](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-gpu-video-decoding-and-encoding) - [EthoVision XT - Optogenetics Experiments](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-optogenetics-experiments) - [EthoVision XT - Other Conditioning Tests](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-other-conditioning-tests) - [EthoVision XT - The Elevated Plus Maze Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-elevated-plus-maze-test) - [EthoVision XT - The Fear Conditioning Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-fear-conditioning-test) - [EthoVision XT - The Morris Water Maze Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-morris-water-maze-test) - [EthoVision XT - The Novel Object Recognition Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-novel-object-recognition-test) - [EthoVision XT - The Open Field Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-open-field-test) - [EthoVision XT - The Porsolt Forced Swim Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-porsolt-forced-swim-test) - [EthoVision XT - The Radial Arm Maze Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-radial-arm-maze-test) - [EthoVision XT - The RotaRod Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-rotarod-test) - [EthoVision XT - The Sociability Cage Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-sociability-cage-test) - [EthoVision XT - The Social Interaction Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-social-interaction-test) - [EthoVision XT - The Y-maze Test](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-the-y-maze-test) - [EthoVision XT - Trial and Hardware Control in EthoVision® XT 17.5 - Reference Manual](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-trial-and-hardware-control-in-ethovision-xt-175-reference-manual) - [EthoVision XT 17.5 - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/ethovision-xt-175-technical-specifications) - [EthoVision XT 18 - Acquiring Data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-18-acquiring-data) - [EthoVision XT 18 - Analysis, Visualization, and Export](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-18-analysis-visualization-and-export) - [EthoVision XT 18 - Installation and License Activation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-18-installation-and-license-activation) - [EthoVision XT 18 - Setting Up Your First Experiment](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-18-setting-up-your-first-experiment) - [EthoVision XT 18 - Technical Specifications (Rodents)](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/ethovision-xt-18-technical-specifications-rodents) - [EthoVision XT 18 - Trial Control and Subject Detection](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/ethovision-xt-18-trial-control-and-subject-detection) - [EthoVision XT crashes when viewing a GLP log](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-crashes-when-viewing-a-glp-log) - [EthoVision XT error ID 14005 Chart creation failed](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-error-id-14005-chart-creation-failed) - [EthoVision XT file error Id 10025](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-file-error-id-10025) - [EthoVision XT file error Id 10034 Experiment cannot be repaired](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-file-error-id-10034-experiment-cannot-be-repaired) - [EthoVision XT is unable to detect the Noldus I/O Box](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-is-unable-to-detect-the-noldus-io-box) - [EthoVision XT Resizer error (ID 8359)](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-resizer-error-id-8359) - [EthoVision XT Settings are Locked, Unable to Modify](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-settings-are-locked-unable-to-modify) - [EthoVision XT trial duration does not correspond with system time (Id 12015)](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-trial-duration-does-not-correspond-with-system-time-id-12015) - [EthoVision XT: Animal is not tracked in Hidden Zone](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/ethovision-xt-animal-is-not-tracked-in-hidden-zone) - [FaceReader - Physical setup](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/facereader/page/facereader-physical-setup) - [FaceReader - Project Analysis Module](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/facereader/page/facereader-project-analysis-module) - [FaceReader - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-technical-specifications) - [FaceReader - Up and running quickly](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/facereader/page/facereader-up-and-running-quickly) - [FaceReader 10: Remote Vital Signs Measurement](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-10-remote-vital-signs-measurement) - [FaceReader 10: Voice Analysis for Emotion Detection](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-10-voice-analysis-for-emotion-detection) - [FaceReader and the Facial Action Coding System (FACS)](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-and-the-facial-action-coding-system-facs) - [FaceReader EyeReader: Webcam-Based Gaze Tracking](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-eyereader-webcam-based-gaze-tracking) - [FaceReader FairFace Validation: Reducing Bias in Facial Expression Analysis](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-fairface-validation-reducing-bias-in-facial-expression-analysis) - [FaceReader in Combination with Eye Tracking](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-in-combination-with-eye-tracking) - [FaceReader Online: Cloud-Based Facial Expression Analysis](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-online-cloud-based-facial-expression-analysis) - [FaceReader Webcam-Based Eye Tracking](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/facereader/page/facereader-webcam-based-eye-tracking) - [FaceReader will not install and the resulting Log file says Access Denied 0x80070005](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/facereader-will-not-install-and-the-resulting-log-file-says-access-denied-0x80070005) - [Fear Conditioning: How EthoVision XT Supports Your Behavioral Research](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/fear-conditioning-how-ethovision-xt-supports-your-behavioral-research) - [How can I play back and hear ultrasound outside UltraVox XT ?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ultravox-xt/page/how-can-i-play-back-and-hear-ultrasound-outside-ultravox-xt) - [How do I get access to MyNoldus?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/how-do-i-get-access-to-mynoldus) - [How do I upgrade my license?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/how-do-i-upgrade-my-license) - [How do IR cameras work?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/how-do-ir-cameras-work) - [How do power outages affect TrackLab operation?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-tracklab/page/how-do-power-outages-affect-tracklab-operation) - [How do software-based and hardware-based licenses compare?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/how-do-software-based-and-hardware-based-licenses-compare) - [How Does AV Recording Tool Viso Work](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/viso-noldusviso/page/how-does-av-recording-tool-viso-work) - [How many GigE cameras can I use on a laptop with EthoVision XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/how-many-gige-cameras-can-i-use-on-a-laptop-with-ethovision-xt) - [How to activate your Noldus license: Watch the video](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/how-to-activate-your-noldus-license-watch-the-video) - [How to Build a Consumer Experience Lab](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/how-to-build-a-consumer-experience-lab) - [How to Build a Consumer Experience Lab](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/how-to-build-a-consumer-experience-lab-Yw2) - [How to Build a Usability Lab](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/how-to-build-a-usability-lab) - [How to deactivate your Noldus license: Watch the video](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/how-to-deactivate-your-noldus-license-watch-the-video) - [How to prevent turning off the White Bottom Light in DanioVision](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-daniovision/page/how-to-prevent-turning-off-the-white-bottom-light-in-daniovision) - [How to rename your subjects in TrackLab](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-tracklab/page/how-to-rename-your-subjects-in-tracklab) - [I cannot find my project’s VOP file. I see a file that looks like it might be it, but I am unsure](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/i-cannot-find-my-projects-vop-file-i-see-a-file-that-looks-like-it-might-be-it-but-i-am-unsure) - [I made a backup file but I cannot see the VPB file extension on the end in File Explorer.](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/i-made-a-backup-file-but-i-cannot-see-the-vpb-file-extension-on-the-end-in-file-explorer) - [Image from my camera is flickering](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/image-from-my-camera-is-flickering) - [Improving Nose-Tail tracking in EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/improving-nose-tail-tracking-in-ethovision-xt) - [In Vivo Calcium Imaging with EthoVision XT](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/in-vivo-calcium-imaging-with-ethovision-xt) - [Infant Studies: Observing Early Development](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/infant-studies-observing-early-development) - [Infant Studies: Observing Early Development](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/infant-studies-observing-early-development-ASF) - [Installing EthoVision XT 17.5](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/installing-ethovision-xt-175) - [Installing EthoVision XT 18](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/installing-ethovision-xt-18) - [License sharing vs. license activation: What's the difference?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/license-sharing-vs-license-activation-whats-the-difference) - [Making screen captures in Windows](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/making-screen-captures-in-windows) - [Media Recorder - Camera Configuration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-camera-configuration) - [Media Recorder - Getting Started and Overview](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-getting-started-and-overview) - [Media Recorder - Installation and Setup](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-installation-and-setup) - [Media Recorder - Integration with FaceReader and Observer XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-integration-with-facereader-and-observer-xt) - [Media Recorder - IP Camera Setup and Network](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-ip-camera-setup-and-network) - [Media Recorder - Recording Sessions](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-recording-sessions) - [Media Recorder - Troubleshooting and Advanced Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-troubleshooting-and-advanced-settings) - [Media Recorder - User Management and Permissions](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/media-recorder/page/media-recorder-user-management-and-permissions) - [Media Recorder 6.5 - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/media-recorder/page/media-recorder-65-technical-specifications) - [MediaRecorder will not install and the resulting Log file says Access Denied 0x80070005](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-mediarecorder/page/mediarecorder-will-not-install-and-the-resulting-log-file-says-access-denied-0x80070005) - [Mice Avoidance Learning: A Case Study with EthoVision XT](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/mice-avoidance-learning-a-case-study-with-ethovision-xt) - [Missing data in EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/missing-data-in-ethovision-xt) - [Moving or Relocating the CatWalk XT Walkway](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/moving-or-relocating-the-catwalk-xt-walkway) - [Moving or relocating the PhenoTyper Home Cage](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-phenotyper/page/moving-or-relocating-the-phenotyper-home-cage) - [My CatWalk XT experiment will not open as it reports that it was made with a previous (or newer) version of the software, but the same version was used.](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/my-catwalk-xt-experiment-will-not-open-as-it-reports-that-it-was-made-with-a-previous-or-newer-version-of-the-software-but-the-same-version-was-used) - [My color Basler camera is monochrome in EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/my-color-basler-camera-is-monochrome-in-ethovision-xt) - [My image is too dark using a Basler camera](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/my-image-is-too-dark-using-a-basler-camera) - [My upgrade code is not recognized](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/my-upgrade-code-is-not-recognized) - [My video image is missing/black/white/grayed out in EthoVision](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/my-video-image-is-missingblackwhitegrayed-out-in-ethovision) - [MyNoldus registration and password emails: Troubleshooting](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/mynoldus-registration-and-password-emails-troubleshooting) - [No data files found for experiment in UltraVox XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ultravox-xt/page/no-data-files-found-for-experiment-in-ultravox-xt) - [No valid hardware key detected after installing Noldus software](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/no-valid-hardware-key-detected-after-installing-noldus-software) - [Novel Tank Diving Test for Zebrafish](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/novel-tank-diving-test-for-zebrafish) - [Olfactory Habituation and Cross-Habituation](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/phenotyper-home-cage/page/olfactory-habituation-and-cross-habituation) - [Olfactory Habituation and Cross-Habituation](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/phenotyper-home-cage/page/olfactory-habituation-and-cross-habituation-soE) - [Parent-Child Interaction Research](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/parent-child-interaction-research) - [Parent-Child Interaction Research](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/parent-child-interaction-research-tXu) - [Paw prints are not recognized by the Automatic Footprint Classification Module in CatWalk XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/paw-prints-are-not-recognized-by-the-automatic-footprint-classification-module-in-catwalk-xt) - [Paw prints look incomplete in the Interactive Footprint Measurements screen in CatWalk XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/paw-prints-look-incomplete-in-the-interactive-footprint-measurements-screen-in-catwalk-xt) - [Pellet dispenser indicator light and error troubleshooting](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-phenotyper/page/pellet-dispenser-indicator-light-and-error-troubleshooting) - [Phase Dispersions: Analyzing Activity Patterns with EthoVision XT](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/phase-dispersions-analyzing-activity-patterns-with-ethovision-xt) - [PhenoTyper - 1 Introduction to PhenoTyper](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-1-introduction-to-phenotyper) - [PhenoTyper - 2 Assemble PhenoTyper](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-2-assemble-phenotyper) - [PhenoTyper - 3 Set up PhenoTyper 1](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-3-set-up-phenotyper-1) - [PhenoTyper - 4 Set up an experiment with PhenoTyper 1](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-4-set-up-an-experiment-with-phenotyper-1) - [PhenoTyper - 5 Set up PhenoTyper 2](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-5-set-up-phenotyper-2) - [PhenoTyper - 6 Set up an experiment with PhenoTyper 2](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-6-set-up-an-experiment-with-phenotyper-2) - [PhenoTyper - 7 Common tests with PhenoTyper](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-7-common-tests-with-phenotyper) - [PhenoTyper - 8 Maintenance](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-8-maintenance) - [PhenoTyper - A Technical Support](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-a-technical-support) - [PhenoTyper - B Technical Specifications](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-b-technical-specifications) - [PhenoTyper - C Declaration of Conformity](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ethovision-xt/page/phenotyper-c-declaration-of-conformity) - [Picking the right sample rate in EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/picking-the-right-sample-rate-in-ethovision-xt) - [Play a tone as a stimulus from the EthoVision XT trial control](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/play-a-tone-as-a-stimulus-from-the-ethovision-xt-trial-control) - [Playback control buttons are grayed out in The Observer XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/playback-control-buttons-are-grayed-out-in-the-observer-xt) - [Randomizing Events using EthoVision XT Trial Control](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/randomizing-events-using-ethovision-xt-trial-control) - [Re-use of subject names in TrackLab](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-tracklab/page/re-use-of-subject-names-in-tracklab) - [Redo a trial in EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/redo-a-trial-in-ethovision-xt) - [Reinstalling the Picolo Alert drivers for EthoVision](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/reinstalling-the-picolo-alert-drivers-for-ethovision) - [Reinstalling the Picolo Diligent drivers for EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/reinstalling-the-picolo-diligent-drivers-for-ethovision-xt) - [Reinstalling the Picolo U4 or U8 for EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/reinstalling-the-picolo-u4-or-u8-for-ethovision-xt) - [Running out of free memory during acquisition in CatWalk XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/running-out-of-free-memory-during-acquisition-in-catwalk-xt) - [Selecting an Axis IP camera in FaceReader 6](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/selecting-an-axis-ip-camera-in-facereader-6) - [Selecting an Axis IP camera in FaceReader 7, 8, or 9](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/selecting-an-axis-ip-camera-in-facereader-7-8-or-9) - [Setting up the CatWalk XT 10 walkway: calibration and detection settings](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/setting-up-the-catwalk-xt-10-walkway-calibration-and-detection-settings) - [Some elements of the software appear too small or cropped when using Windows 10](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/some-elements-of-the-software-appear-too-small-or-cropped-when-using-windows-10) - [Subject renaming in TrackLab](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-tracklab/page/subject-renaming-in-tracklab) - [T-Maze and Zebrafish Testing](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/t-maze-and-zebrafish-testing) - [The Added Value of Simulation-Based Training](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/the-added-value-of-simulation-based-training) - [The Added Value of Simulation-Based Training](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/the-added-value-of-simulation-based-training-4Q6) - [The Observer will not install and the installation log file says Access Denied - 0x80070005](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/the-observer-will-not-install-and-the-installation-log-file-says-access-denied-0x80070005) - [The Observer XT - Back up your data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-back-up-your-data) - [The Observer XT - Step 1 - Create all settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-step-1-create-all-settings) - [The Observer XT - Step 2 - Acquire your data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-step-2-acquire-your-data) - [The Observer XT - Step 3 - Analyze your data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-step-3-analyze-your-data) - [The Observer XT - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/the-observer-xt/page/the-observer-xt-technical-specifications) - [The Observer XT - Tobii Pro: 1 Introduction](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-1-introduction) - [The Observer XT - Tobii Pro: 10 Synchronization](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-10-synchronization) - [The Observer XT - Tobii Pro: 11 Firewall Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-11-firewall-settings) - [The Observer XT - Tobii Pro: 12 General Notes](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-12-general-notes) - [The Observer XT - Tobii Pro: 2 Computer Configuration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-2-computer-configuration) - [The Observer XT - Tobii Pro: 3 Workflow](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-3-workflow) - [The Observer XT - Tobii Pro: 4 Prepare The Observer XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-4-prepare-the-observer-xt) - [The Observer XT - Tobii Pro: 5 Record With Tobii Pro Lab](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-5-record-with-tobii-pro-lab) - [The Observer XT - Tobii Pro: 6 Record With Tobii Pro Studio](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-6-record-with-tobii-pro-studio) - [The Observer XT - Tobii Pro: 7 Import Non-AOI Data Into The Observer XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-7-import-non-aoi-data-into-the-observer-xt) - [The Observer XT - Tobii Pro: 8 Import Gaze Replay Video Into The Observer XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-8-import-gaze-replay-video-into-the-observer-xt) - [The Observer XT - Tobii Pro: 9 Import AOI Data Into The Observer XT](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-tobii-pro-9-import-aoi-data-into-the-observer-xt) - [The Observer XT - Up and running quickly](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/the-observer-xt/page/the-observer-xt-up-and-running-quickly) - [The Observer XT Error Id 12524 – Event Log Read Failure](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/the-observer-xt-error-id-12524-event-log-read-failure) - [The Observer XT will not install and the resulting Log file says Access Denied 0x80070005](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/the-observer-xt-will-not-install-and-the-resulting-log-file-says-access-denied-0x80070005) - [There are no rectangles around the paw prints in CatWalk XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-catwalk-xt/page/there-are-no-rectangles-around-the-paw-prints-in-catwalk-xt) - [Toolbars in EthoVision have disappeared](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/toolbars-in-ethovision-have-disappeared) - [Track3D - 1 Introduction](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-1-introduction) - [Track3D - 11 Data Visualization](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-11-data-visualization) - [Track3D - 12 Analysis Variables](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-12-analysis-variables) - [Track3D - 2 System Setup](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-2-system-setup) - [Track3D - 3 Software Installation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-3-software-installation) - [Track3D - 4 Calibration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-4-calibration) - [Track3D - 5 Recording Video](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-5-recording-video) - [Track3D - 7 Video-tracking](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-7-video-tracking) - [Track3D - 8 Export The 2D Tracks](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-8-export-the-2d-tracks) - [Track3D - 9 Running 3D Analysis](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-9-running-3d-analysis) - [Track3D - A Special Features And Notes](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-a-special-features-and-notes) - [Track3D - B Troubleshooting](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-b-troubleshooting) - [Track3D - C Wind Tunnel Settings](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-c-wind-tunnel-settings) - [Track3D - D Wind Tunnel Maintenance](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-d-wind-tunnel-maintenance) - [Track3D - E Copyright And Acknowledgments](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/track3d/page/track3d-e-copyright-and-acknowledgments) - [UltraVox microphones are not recognized after restarting the computer](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ultravox-xt/page/ultravox-microphones-are-not-recognized-after-restarting-the-computer) - [UltraVox XT - Acquire Data](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-acquire-data) - [UltraVox XT - Activate Your License](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-activate-your-license) - [UltraVox XT - Call Statistics](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-call-statistics) - [UltraVox XT - Detect The Calls](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-detect-the-calls) - [UltraVox XT - For More Information](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-for-more-information) - [UltraVox XT - Label The Detected Calls](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-label-the-detected-calls) - [UltraVox XT - Prepare Data Acquisition](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-prepare-data-acquisition) - [UltraVox XT - Recording Statistics](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/ultravox-xt/page/ultravox-xt-recording-statistics) - [UltraVox XT Error Message - Out of Memory](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ultravox-xt/page/ultravox-xt-error-message-out-of-memory) - [Unboxing EthoVision: Video guide to set up your PC, camera and monitor](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/unboxing-ethovision-video-guide-to-set-up-your-pc-camera-and-monitor) - [Understanding Axis camera LEDs](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/understanding-axis-camera-leds) - [Using the MediaTypeRegistryCleaner](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/using-the-mediatyperegistrycleaner) - [Video Feedback in Skills Education](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/video-feedback-in-skills-education) - [Video Feedback in Skills Education](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/human-behavior-ux-research/page/video-feedback-in-skills-education-eXV) - [Video Tracking and the Elevated Plus Maze](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/video-tracking-and-the-elevated-plus-maze) - [Viso - Camera and Network Configuration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-camera-and-network-configuration) - [Viso - Configuration and Administration](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-configuration-and-administration) - [Viso - Playback and Review](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-playback-and-review) - [Viso - Scheduling and Automation](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-scheduling-and-automation) - [Viso - Sessions and Recording](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-sessions-and-recording) - [Viso - Software Components and Architecture](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-software-components-and-architecture) - [Viso - System Maintenance and Rebooting](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-system-maintenance-and-rebooting) - [Viso - System Overview and Modules](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-system-overview-and-modules) - [Viso - Technical Specifications](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/viso-noldusviso/page/viso-technical-specifications) - [Viso - Troubleshooting and Maintenance (Reference)](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-troubleshooting-and-maintenance-reference) - [Viso - Troubleshooting Quick Reference](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-troubleshooting-quick-reference) - [Viso - Upgrading and Reinstalling](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-upgrading-and-reinstalling) - [Viso - User and Location Management](https://noldus.com/shared/resources/book/noldus-product-documentation/chapter/viso-noldusviso/page/viso-user-and-location-management) - [Water Maze Testing and Alzheimer's Disease](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/water-maze-testing-and-alzheimers-disease) - [What are the filter settings in Trackab?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-tracklab/page/what-are-the-filter-settings-in-trackab) - [What are the supported cameras for MediaRecorder 5.0?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-mediarecorder/page/what-are-the-supported-cameras-for-mediarecorder-50) - [What are the supported video file formats for EthoVision XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/what-are-the-supported-video-file-formats-for-ethovision-xt) - [What are the supported video formats for FaceReader 8?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/what-are-the-supported-video-formats-for-facereader-8) - [What are the supported video formats for FaceReader?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/what-are-the-supported-video-formats-for-facereader) - [What is the best way to share my Observer project with another user? Can I simply send the .vop (Observer Project) file?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-the-observer-xt/page/what-is-the-best-way-to-share-my-observer-project-with-another-user-can-i-simply-send-the-vop-observer-project-file) - [What's new in EthoVision XT 17?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/whats-new-in-ethovision-xt-17) - [When using the Baby model of FaceReader 9 the automatic analysis did not detect any negative valences across the whole dataset.](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-facereader/page/when-using-the-baby-model-of-facereader-9-the-automatic-analysis-did-not-detect-any-negative-valences-across-the-whole-dataset) - [Where do I find my Noldus license key and version number?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/where-do-i-find-my-noldus-license-key-and-version-number) - [Why are my trials ending at an exact time (e.g., 10 minutes) even though my Trial Control Settings are set for longer?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/why-are-my-trials-ending-at-an-exact-time-eg-10-minutes-even-though-my-trial-control-settings-are-set-for-longer) - [Why can't I start acquisition in EthoVision XT?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/why-cant-i-start-acquisition-in-ethovision-xt) - [Why don't I see my licenses or downloads in MyNoldus?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/all-noldus-products/page/why-dont-i-see-my-licenses-or-downloads-in-mynoldus) - [Why is the sum/total of the cumulative time for all of my zones greater than the trial time?](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/why-is-the-sumtotal-of-the-cumulative-time-for-all-of-my-zones-greater-than-the-trial-time) - [Windows 10 power settings for EthoVision XT](https://noldus.com/shared/resources/book/mynoldus-knowledge-base/chapter/related-to-ethovision-xt/page/windows-10-power-settings-for-ethovision-xt) - [Zebrafish and Epilepsy: Video Tracking with EthoVision XT](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/ethovision-xt/page/zebrafish-and-epilepsy-video-tracking-with-ethovision-xt) - [Zebrafish Learning Paradigms](https://noldus.com/shared/resources/book/noldus-white-papers-resources/chapter/daniovision-zebrafish/page/zebrafish-learning-paradigms)
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