Predicting How Well Brain Focuses on Goal

The manner in which the pupil size changes in response to distractions can reveal the brain's focus and how it processes distractions, found in a new study. Duke University researchers have looked into monkeys' eyes for insight into how the brain processes distractions and they've found that changes to pupil size in response to distractors might predict how well the brain focuses on a goal. The results may inform about the attention deficit hyperactivity ...