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          pupils

          This shows eyes.
          Auditory NeuroscienceFeaturedNeuroscienceVisual 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.
          Read More
          This shows a woman's eye
          FeaturedNeuroscienceOpen Neuroscience ArticlesVisual 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.
          Read More
          pupil
          FeaturedNeuroscienceOpen 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.
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          Image shows a blue eye.
          FeaturedNeurosciencePsychology
          ·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.
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          Researcher looking at a computer monitor with a pupil on it.
          FeaturedOpen Neuroscience ArticlesPsychology
          ·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.
          Read More
          This image shows a child looking at a picture on a computer monitor.
          FeaturedNeuroscience VideosPsychology
          ·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.
          Read More

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          This shows two crying babies.

          Why Your Baby Cries: It’s Largely Written in Their Genes

          This shows a brain.

          Side of Parkinson’s Onset Shapes Cognitive and Emotional Decline

          This shows two brains.

          Timing of Prozac Treatment Shapes Lasting Mood, Brain Changes

          This shows a person holding his heart.

          Emotional Neglect in Childhood Undermines Trust in One’s Own Body

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