Triggering REM Sleep in Mice (IMAGE)

University of California - Berkeley

Triggering REM Sleep in Mice

Caption

When a laser triggers an optogenetic switch in neurons in the medulla of a sleeping mouse, the animal goes from non-REM sleep (NREM) into REM or dream sleep. The axons of these neurons (green) reach into distant parts of the primitive brain, such as the hypothalamus, broadly affecting brain function.

Credit

Franz Weber/UC Berkeley

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