![Comparing machine emotion recognition with a human benchmark machine-emotion-recognition-versus-humans](https://www.noldus.com/static/images/core-blog/machine-emotion-recognition-versus-humans-1571057409.jpg)
Comparing machine emotion recognition with a human benchmark
Our emotions come across clear in our facial expressions. Due to this, facial expressions can be used in a wide variety of studies.
![Relational Agents: the use and testing of avatars for HCI avatars-human-computer-interaction](https://www.noldus.com/static/images/core-blog/avatars-human-computer-interaction.jpg)
Relational Agents: the use and testing of avatars for HCI
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.
![Predicting Advertising Effectiveness: Facial Coding of 120.000 Video Frames predicting-advertising-effectiveness](https://www.noldus.com/static/images/core-blog/predicting-advertising-effectiveness-1601906779.jpg)
Predicting Advertising Effectiveness: Facial Coding of 120.000 Video Frames
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.
![Classroom observations including facial expression analysis classroom-observations-facial-expression](https://www.noldus.com/static/images/core-blog/clinical-interviews.jpg)
Classroom observations including facial expression analysis
Internet and technology usage, including computers, tablets, and mobile phones, has increased exponentially in the past few years.
![Three examples of autism research studies examples-autism-research-studies](https://www.noldus.com/static/images/core-blog/examples-autism-research-studies.jpg)
Three examples of 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.
![The facial action coding system in infant behavior research facs-infant-behavior-research](https://www.noldus.com/static/images/core-blog/facs-infant-behavior-research.jpg)
The facial action coding system in infant behavior research
Non-verbal behavior is very important in analyzing interpersonal communication. Think about waiving your arms when explaining something, nodding your head, or frowning.
![Emotional responses, heart rate & more: measuring consumer behavior emotional-responses-consumer-behavior](https://www.noldus.com/static/images/core-blog/emotional-responses-consumer-behavior.jpg)
Emotional responses, heart rate & more: measuring consumer behavior
As a consumer, you have to make many different choices. Which peanut butter do you want? Which potato chips are the healthy choice?