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생체신호와 퍼지이론을 이용한 스트레스에 대한 반응과 회복의 평가

Evaluation of Stress Response and Recovery using Biosignals and Fuzzy Theory

  • 설아람 (연세대학교 보건과학대학 의공학과) ;
  • 신재우 (연세대학교 보건과학대학 의공학과) ;
  • 성홍모 (연세대학교 보건과학대학 의공학과) ;
  • 이철규 (연세대학교 첨단의료기기 기술혁신센터) ;
  • 윤영로 (연세대학교 보건과학대학 의공학과)
  • 발행 : 2002.07.31

초록

This paper is about the evaluation of stress response and recovery using biosignals and fuzzy theory. We caused mental stress by means of a coin-stacking task. During the experiment, 4 kinds of biosignals, including frontalis EMG, ECG, peripheral skin temperature and skin conductance level, were acquired. Then, the degree of stress was assessed by synthetically those signals using fuzzy inference. From the fuzzy inference result, the parameters (amount of physiological change / amount of imposed stress) and (time to 25% recovery), which represent response and recovery respectively, were derived. We made a two-dimensional point graph using the response parameter as an abscissa and the recovery parameter as an ordinate for each subject.

키워드

참고문헌

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