The High Energy Cost of Theta-Gamma Activity during REM Sleep.

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The High Energy Cost of Theta-Gamma Activity during REM Sleep.

Trends Neurosci. 2019 Mar 06;:

Authors: Mishra A, Colgin LL

Abstract
The occurrence of wake-like electroencephalography (EEG) traces during rapid-eye movement sleep (REM) has intrigued scientists for decades. A recent study by Bergel et al. (Nat. Commun. 2018;9;5364) imaged brain-wide hemodynamics in rats during wakefulness and sleep. The findings suggest that brain energy expenditure is highest during REM because of heightened theta and gamma activity.

PMID: 30851987 [PubMed – as supplied by publisher]

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