Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

Our eyesight declines with age and poor lighting or strong contrasts between light and dark can limit the ability of older people to react in everyday life, resulting in a negative impact on the sleep ...

The findings of the study conducted by researchers at the University of Texas at Arlington shed valuable light on the relationship between pupil dilation and working memory performance. Working memory ...