Development of a system for capturing sleep predictor signals during wakefulness

E. Fujita, Y. Ogura, N. Ochiai, K. Murata, Tsutomu Kamei, Y. Ueno, S. Kaneko

研究成果: Conference contribution

抄録

The feature of sleep pattern is determined by the rhythm of body temperature. In this study, a method was conceived for capturing changes in the peripheral circulatory system during the process of lowering of core body temperature via finger plethysmogram. Recorded signals were then analyzed by chaos analysis. By analyzing the variations in the time series of the gradients of the largest Lyapunov exponent and the power value (the square of the finger plethysmogram amplitude), and by observing the conditions of the subject, the phenomenon that predicts the subject's transition to Stage 1 sleep during wakefulness was detected.

本文言語English
ホスト出版物のタイトルWorld Congress on Medical Physics and Biomedical Engineering
ホスト出版物のサブタイトルImage Processing, Biosignal Processing, Modelling and Simulation, Biomechanics
出版社Springer Verlag
ページ1804-1807
ページ数4
4
ISBN(印刷版)9783642038815
DOI
出版ステータスPublished - 2009
外部発表はい
イベントWorld Congress on Medical Physics and Biomedical Engineering: Image Processing, Biosignal Processing, Modelling and Simulation, Biomechanics - Munich, Germany
継続期間: 2009 9 72009 9 12

出版物シリーズ

名前IFMBE Proceedings
番号4
25
ISSN(印刷版)1680-0737

Conference

ConferenceWorld Congress on Medical Physics and Biomedical Engineering: Image Processing, Biosignal Processing, Modelling and Simulation, Biomechanics
CountryGermany
CityMunich
Period09/9/709/9/12

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering

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