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Pupil Size as an Indicator of Brain Activity
Video

Pupil Size as an Indicator of Brain Activity

Pupil Size as an Indicator of Brain Activity
Video

Pupil Size as an Indicator of Brain Activity

Scientists at the University of Geneva have performed a study in asleep mice that reveals pupil diameter changes during sleep. They say this mechanism protects the brain during deep sleep and that measuring pupil size during sleep could be a less invasive readout of brain activity.


Reference:

Yüzgeç, Ö., Prsa, M., Zimmermann, R., & Huber, D. (2018). Pupil Size Coupling to Cortical States Protects the Stability of Deep Sleep via Parasympathetic Modulation. Current Biology. doi:10.1016/j.cub.2017.12.049 

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