
CognitionJune 2, 2021
Pupil Size Is a Marker of Intelligence
There is a surprising correlation between baseline pupil size and several measures of cognitive ability
Jason S. Tsukahara is a Ph.D. student in cognition and brain science at the Georgia Institute of Technology, where he does research in the Attention & Working Memory Lab.

Pupil Size Is a Marker of Intelligence
There is a surprising correlation between baseline pupil size and several measures of cognitive ability