A groundbreaking study has revealed that our pupils change size in sync with our breathing--a response now dubbed the "pupillary respiratory phase response." Researchers confirmed that pupils are smallest around the start of inhalation and largest during exhalation, regardless of lighting, focus, or cognitive effort.
Breathing Syncs with Pupil Size, Revealing a New Mind-Body Link
Neuroscience News - 13 Apr 2025 15:35
A groundbreaking study has revealed that our pupils change size in sync with our breathing--a response now dubbed the "pupillary respiratory phase response." Researchers confirmed that pupils are smallest around the start of inhalation and largest during exhalation, regardless of lighting, focus, or cognitive effort.
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