Pupil light reflex

Pupil light reflex is associated with cognitive function in humans (p < 0.05).

“Pupil constriction amplitude in millimeters and the duration from stimulus onset to maximal constriction velocity were significantly associated with cognition after adjusting for (1) age and sex and (2) age, sex, and multiple covariates (p < 0.05).”

Humans57.3% femaless

The pupil constriction to light is associated with cognitive measures in middle-aged and older adults

Aging clinical and experimental research·Mar 10, 2022