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Editorial
. 2021 Jan 11;31(1):R32-R34.
doi: 10.1016/j.cub.2020.11.001.

Pupillometry: Arousal State or State of Mind?

Siddhartha Joshi  1
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Free article
Editorial

Pupillometry: Arousal State or State of Mind?

Siddhartha Joshi. Curr Biol. .
Free article

Abstract

Norepinephrine and acetylcholine regulate brain activity during changes in arousal and attention that are also reflected in fluctuations of the pupil. New research suggests that during goal-directed behavior, serotonin is also associated with pupil dilation.

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