But a study published last week (March 6) in eLife shows that an objective measure—how the pupil varies in size while viewing an optical illusion—reveals differences in perceptual styles and ...

However, the study, published in the Neurobiology of Aging, took a different approach, focusing on pupillary responses controlled by the locus coeruleus (LC), a cluster of neurons in the brain ...

A study demonstrated that individuals with aphantasia do not exhibit the imagery pupillary light response, which correlates with the strength of visual imagery. Instead, they showed typical pupil ...