The temporal evolution of a hidden, low-dimensional and organism-wide process, inferred from measuring the pupil of an eye, has been shown to account for complex spatio-temporal patterns of brain ...

Please provide your email address to receive an email when new articles are posted on . For all people, pupil size has an important role in balancing incoming light with depth of field to optimize ...

The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.