Pupil Activity Predicts Arousal

This is a news story, published by Gizmodo, that relates primarily to ETH ZÃrich. news.

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Pupil dynamics

Gizmodo

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Science

Swiss researchers claim to be the first to observe eye movements during sleep for several hours at a time

Summary

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75% Informative

Swiss researchers analyzed eye movements during sleep for several hours at a time.

Pupil dynamics “reflect the state of arousal, or the level of brain activation in regions that are responsible for sleep-wake regulation,” said a neuroscientist at ETH ZÃrich.

With further research, doctors might one day use pupil activity to diagnose sleep disorders.

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