A new Dartmouth study finds that listeners are most likely to tune in when a speaker delivers the most emotional peaks of his/her narrative, as revealed by synchronous pupil dilation patterns of ...

Researchers at the University of California (UC) San Diego School of Medicine say that with further developments measuring how quickly a person’s pupil dilates while they are taking cognitive tests ...

At my job, I'm going to be working with a new laser soon, and as such, I have to pass some certifications to become a laser operator. One of the requirements is that I take an eye exam to determine if ...

Pupil dilation may signal deception. The autonomic nervous system regulates pupil size. Pupil dilation normally indicates an increase in cognitive demand. Liars usually experience an increase in ...

Purpose: To assess the effect of pupil dilation on vision and driving ability. Methods: A series of tests on various parameters of visual function and driving simulator performance were performed on ...

Working memory is one of the brain's executive functions, a skill that allows humans to process information without losing track of what they're doing. In the short term, working memory allows the ...

Pupils are the black circles located in the center of your iris, or the colored part of your eye. The pupil allows light to enter your eye and often changes in size. When your pupils appear larger, ...