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Characteristics of Frequency Band on EEG Signal Causing Human Drowsiness

졸음현상과 관련된 EEG신호의 주파수대역의 특성

  • 장윤석 (부경대학교 전기공학과) ;
  • 이슬이 (부경대학교 전기공학과) ;
  • 류수아 (부경대학교 정보통신공학과)
  • Received : 2013.04.12
  • Accepted : 2013.06.20
  • Published : 2013.06.30

Abstract

We measured and analyzed the brain waves to observe the characteristics of human drowsiness. The basic method is to analyze the EEG(Electroencephalography) signals from subjects according to the frequency bands. It has been reported that alpha waves are related to a wakefulness state, an eye closure state and a state that begins to sleep. In this study, therefore, we restricted the frequency band for analyzing to between 8 and 13Hz called brain's alpha waves. We observed which components had a stronger influence on human drowsiness among the restricted frequency band and represented the experimental results to analyze using the power spectrum method.

Acknowledgement

Supported by : 부경대학교

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