Human sleep electroencephalogram analysis based on the Instantaneous Maximum Entropy Method

Sunao Uchida, Yumi Takizawa, Nobuhide Hirai, Makio Ishiguro

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Analysis of electroencephalogram (EEG) is presented for sleep physiology. This analysis is performed by the Instantaneous Maximum Entropy Method (IMEM), which was given by the author. Appearance and continuation of featuristic waves are not steady in EEG. The characteristics of these waves responding to epoch of sleep are analyzed. The behaviours of waves were clarified by this analysis as follows; (a) time dependent frequency of continuous oscillations of alpha rhythm was observed precisely. Sleep spindles were detected clearly within NREM and these parameters of time, frequency, and peak energy were specified, (b) delta waves with very low frequencies and sleep spindles were observed simultaneously. And (c) the relationship of sleep spindles and delta waves was first detected with negative correlation along time-axis. The analysis by the IMEM was found effective comparing conventional analysis method of FFT, bandpass filter bank, etc.

本文言語English
ページ(範囲)965-970
ページ数6
ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
E80-A
6
出版ステータスPublished - 1997
外部発表はい

ASJC Scopus subject areas

  • 電子工学および電気工学
  • ハードウェアとアーキテクチャ
  • 情報システム

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