Stress hormone kicks brain cells into gear

Norepinephrine wakes up cells called astroglia

MOTION MAKER  Cells called astroglia (green) in the cerebellum, a part of the brain that controls movements, show bursts of activity in response to the stress hormone norepinephrine. Astroglial behavior may influence nearby neurons (red). 

Amit Agarwal and Dwight Bergles, courtesy of Cell Press

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