Latest

pupils

Auditory Neuroscience Featured Neuroscience Visual Neuroscience

·May 3, 2025·5 min read

Facial Movements and Pupils Reveal Tinnitus Severity

Researchers have identified new biomarkers for tinnitus by tracking pupil dilation and subtle facial movements linked to distress levels. Using AI-powered video analysis, they found that severe tinnitus sufferers showed constant pupil dilation and reduced facial responses to sounds, indicating heightened vigilance and chronic distress.

Featured Neuroscience Open Neuroscience Articles Visual Neuroscience

·April 20, 2022·6 min read

Windows to the Soul: Pupils Reveal ‘Aphantasia’ – The Absence of Visual Imagination

People who experience visual imagination have pupillary responses that optimize the amount of light hitting the retina and change in response to imagined items. This pupillary response does not occur in those with aphantasia.

Featured Neuroscience Open Neuroscience Articles

·January 18, 2018·4 min read

First Look at Pupil Size in Sleeping Mice Yields Surprises

Researchers report the size of the pupil fluctuates during sleep. The findings may indicate that pupil size can indicate specific sleep states.

Featured Neuroscience Psychology

·March 6, 2017·3 min read

Pupil Signals Uncertainty During Decision Making

Pupil dilation is at its largest when people are most uncertain about their situation, a new study reports.

Researcher looking at a computer monitor with a pupil on it.

Featured Open Neuroscience Articles Psychology

·November 12, 2015·3 min read

It’s Music to Our Eyes: Emotional Reactions to Music Reflected in Pupil Size

Personal involvement and emotional content of music influences pupillary response, researchers report.

This image shows a child looking at a picture on a computer monitor.

Featured Neuroscience Videos Psychology

·July 7, 2015·3 min read

Pupil Dilation Could Predict Depression Risk in Children

According to a new study, how much a child's pupils dilate in response to seeing an emotional image can predict their risk of developing depression over the next two years.