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首页> 外文期刊>Brain research >Brain activity and temporal coupling related to eye movements during REM sleep: EEG and MEG results.
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Brain activity and temporal coupling related to eye movements during REM sleep: EEG and MEG results.

机译：REM睡眠期间与眼睛运动有关的大脑活动和时间耦合：EEG和MEG结果。

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摘要

EEG and MEG REM sleep gamma activity was studied immediately before rapid eye movement onset (PRE-EM), during REM sleep with eye movements away from eye movement onset -phasic-REM (Ph-REM)--and during REM sleep without eye movements, or tonic REM (T-REM). For this purpose, activity was segmented into three different time windows: of 62.5, 250 and 500 ms. Two strategies were used: one a statistical comparison of changes between T-REM, Ph-REM and PRE-EM; the other a descriptive approach using principal component analysis. Significant findings showed that both EEG and MEG gamma activity are higher directly before eye movement onset in PRE-EM periods and during Ph-REM than during T-REM; temporal coupling of electrical activity between the frontal and parietal regions is decreased, while temporal coupling between the right frontal and midline is increased. Just before eye movement onset, larger recording sites become related. For the first time, results showed a close temporal link between power and temporal coupling of fast oscillations andrapid eye movements in REM sleep, indicating increased activation, uncoupling between the left frontal executive areas and posterior sensory association regions and increased coupling between the right frontal attentional and midline alerting systems. Brain activity is reorganized by phasic events.
机译：在快速眼动开始之前（PRE-EM），眼动远离眼动开始-阶段性REM（Ph-REM）的REM睡眠以及眼动快速而没有眼动的REM睡眠期间研究了EEG和MEG REM睡眠伽马活性或补品REM（T-REM）。为此，将活动分为三个不同的时间窗口：62.5、250和500 ms。使用了两种策略：一种是T-REM，Ph-REM和PRE-EM之间变化的统计比较;另一种是另一种使用主成分分析的描述性方法。重要发现表明，在PRE-EM期间和Ph-REM期间，在眼球运动开始之前，EEG和MEG的γ活性都比T-REM期间高。额叶和顶叶区域之间的电活动的时间耦合减少，而右额叶和中线之间的时间耦合增加。就在眼球运动开始之前，较大的记录站点就变得相关了。结果首次显示快速运动和快速眼动在快速眼动睡眠中的时间耦合与时间耦合之间存在紧密的时间联系，表明激活增加，左额执行区域与后感觉关联区域之间的解耦以及右额注意力之间的耦合增加和中线警报系统。大脑活动通过阶段性事件重新组织。

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