Scaling behavior of EEG amplitude and frequency time series across sleep stages
Scaling behavior of EEG amplitude and frequency time series across sleep stages
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DOI：
10.1209/0295-5075/112/18001
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发表时间：
2015-10-01
期刊：
影响因子：
1.8
通讯作者：
Penzel, Thomas
中科院分区：
文献类型：
--
作者：
Kantelhardt, Jan W.;Tismer, Sebastian;Penzel, Thomas
我们研究了176名健康受试者和40名夜间睡眠患者脑电振荡幅度和频率的短期和长期持续特性(与自相关相关)。波幅的范围从2秒到500秒(取决于所考虑的频段)，在(夜间)清醒时波动指数很大(0.73-0.83)，在深度睡眠时波动指数很小(0.50-0.69)。浅睡眠类似于深度睡眠，而快速眼动睡眠(0.64-0.76)除了脑电外更接近清醒。乐队。一些频率时间序列也显示出长期标度，这取决于所选的频段和阶段。只有抑郁症、焦虑症或帕金森氏症患者才会出现轻微的偏差。版权所有(C)Epla，2015
We study short-term and long-term persistence properties (related with autocorrelations) of amplitudes and frequencies of EEG oscillations in 176 healthy subjects and 40 patients during nocturnal sleep. The amplitudes show scaling from 2 to 500 seconds (depending on the considered band) with large fluctuation exponents during (nocturnal) wakefulness (0.73-0.83) and small ones during deep sleep (0.50-0.69). Light sleep is similar to deep sleep, while REM sleep (0.64-0.76) is closer to wakefulness except for the EEG. band. Some of the frequency time series also show long-term scaling, depending on the selected bands and stages. Only minor deviations are seen for patients with depression, anxiety, or Parkinson's disease. Copyright (C) EPLA, 2015