在睡眠期间,大规模的静止状态大脑网络中的频率依赖连接性
Simon Titone1,2, Jessica Samogin1, Philippe Peigneux3
1Department of Movement Sciences, Movement Control and Neuroplasticity Research Group, KU Leuven, Leuven, Belgium.
The European journal of neuroscience
|June 29, 2023
概括
功能连接 (FC) 在深度非快速眼动 (NREM) 睡眠期间下降,并在快速眼动 (REM) 睡眠期间表现出复杂的变化,具有特定网络的频率模式. 这揭示了睡眠期间大脑网络活动的详细空间和时间动态.
科学领域:
- 神经科学是一个神经科学.
- 睡眠科学 睡眠科学
- 大脑的连接性 大脑的连接性
背景情况:
- 功能连接 (FC) 模式在不同睡眠阶段发生变化.
- 这些FC波动的精确空间和时间动态,特别是频率依赖的变化,尚未完全理解.
研究的目的:
- 在健康的年轻成年人中调查夜间睡眠期间频率依赖的网络级FC波动.
- 检查休息状态网络中的和休息状态网络之间的FC在NREM2,NREM3和REM睡眠阶段之间如何变化.
主要方法:
- 在29名健康的年轻成年人中使用高密度脑电图 (hdEEG).
- 在休息状态网络中在前三个睡眠周期中分析源局部化的FC.
- 睡眠阶段 (NREM2,NREM3,REM) 使用半自动程序进行得分.
主要成果:
- 静止状态网络内和间的FC从NREM2到NREM3睡眠在多个频段和睡眠周期中减少.
- 在REM睡眠期间,三角波段和西格玛波段显示连接性持续下降,而α和β波段显示在特定网络中重新连接.
- 在较后的REM睡眠周期中,大多数网络对中,马带FC增加.
结论:
- 这项研究阐明了深入NREM睡眠期间连接性崩的空间和时间特征.
- 复杂的,频率和网络特定的分解和重新连接过程在REM睡眠期间表征FC.
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