快速眼动睡眠期间θ-γ活动的高能量成本。
The High Energy Cost of Theta-Gamma Activity during REM Sleep.
机构信息
Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR, USA.
Center for Learning and Memory, and Department of Neuroscience, University of Texas at Austin, Austin, TX, USA.
出版信息
Trends Neurosci. 2019 Apr;42(4):239-241. doi: 10.1016/j.tins.2019.02.004. Epub 2019 Mar 6.
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.
摘要
在快速眼动睡眠 (REM) 期间出现类似觉醒的脑电图 (EEG) 痕迹，这一现象引起了科学家们数十年来的兴趣。Bergel 等人最近的一项研究（Nat. Commun. 2018;9;5364）在大鼠清醒和睡眠期间对全脑血流动力学进行了成像。研究结果表明，由于 theta 和 gamma 活动增强，REM 期间大脑的能量消耗最高。
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