Pupil Constriction Causes Activity in the Human Retina and Visual System
Sebastiaan Mathôt, Olaf Dimigen, Hakan Karşılar, Veera Ruuskanen, Daria Weiden, Ana Vilotijević
The paper shows pupil constriction triggers retinal and visual cortex activity independent of visual stimuli, revealing a new mechanism in visual processing.
Psychophysiology · Jul 1, 2026Peer-reviewedNeuroscience