Breathing Patterns Influence Visual Perception, Study Finds

Researchers have uncovered a significant link between breathing patterns and changes in visual perception, according to a recent study. The findings reveal that the size of the pupil varies with the breathing cycle—contracting during inhalation and expanding during exhalation.

This phenomenon occurs independently of external stimuli and appears to play a crucial role in how we perceive our surroundings. During inhalation, when the pupil is at its smallest, there is an enhancement in viewing fine details. Conversely, during exhalation, as the pupil enlarges, there is better detection of objects as a whole.

The discovery provides new insights into the fundamental ways in which bodily processes such as respiration impact sensory experiences. This research could pave the way for further studies on how controlled breathing could potentially enhance visual perception and focus.

Date: 22 February, 2025

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Author

Mark Chiang

Ph.D in Biomedical Informatics Head of AI at GeneOnline