睡眠呼吸暂停中脑电图频带的相幅耦合

2015 International Conference on BioSignal Analysis, Processing and Systems (ICBAPS) Pub Date : 2015-05-26 DOI:10.1109/ICBAPS.2015.7292234

H. Abdullah, D. Cvetkovic

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引用次数: 1

摘要

神经元振荡的相幅耦合被认为与认知和记忆过程等上脑功能有关。提出了当快振荡的幅值被慢振荡的相位调制时，会发生交叉频率耦合。在这项研究中，我们通过健康和睡眠呼吸暂停患者N1、N2、N3和REM睡眠阶段的theta、低gamma (LG)和高gamma (HG)的调制指数(MI)来评估CFC。结果表明，在所有睡眠阶段，θ波相位对HG波段的调制更大。与健康人群相比，睡眠呼吸暂停患者的脑电波-汞柱耦合更为明显。

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Phase amplitude coupling of theta-gamma EEG frequency bands in sleep apnoea

Phase amplitude coupling of neuronal oscillations has been suggested to link with upper brain functions such as cognitive and memory process. It is suggested that cross frequency coupling (CFC) occurred when the amplitude of fast oscillation is modulated by the phase of slow oscillation. In this study, we assess CFC in terms of Modulation Index (MI) of theta, low gamma (LG) and high gamma (HG) in sleep stages N1, N2, N3 and REM of healthy and sleep apnoea patients. The results showed theta phase modulated more the HG band in all sleep stages. Theta-HG coupling was more pronounced in the sleep apnoea as compared to the healthy.

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2015 International Conference on BioSignal Analysis, Processing and Systems (ICBAPS)

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