대한의용생체공학회:의공학회지 (Journal of Biomedical Engineering Research)

  • 제23권4호
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  • Pages.301-308
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  • 2002
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  • 1229-0807(pISSN)
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  • 2288-9396(eISSN)
대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
권호 표지

청각 스트레스가 3차원 시자극 유발전위에 미치는 영향 분석

Audio Stress Effect on Visual ERP Stimulated by 3-dimensional Environment

  • 박찬희 (전북대학교 대학원 의용생체공학과) ;
  • 홍철운 (전북대학교 부설 복지공학연구소) ;
  • 김남균 (전북대학교 공과대학 생체정보공학부)
  • 발행 : 2002.08.01
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초록

연구는 인간에게 3차원 공간상에서 시청각 통합 환경을 만든 후 정신적 스트레스가 시각 자극을 통해 ERPs에 어떠한 영향을 미치는지를 정량적으로 분석하기 위하여 수행되었다. 이를 위하여, 정상 상태와 정신적 스트레스를 제시 상태를 구분하여 ERPs를 측정하였다. 실험은 정상상태의 남녀 10명의 피험자를 대상으로 하였고. 생체 신호는 Fpl, Fz, Cz. Pz, O1, O2의 영역에서 전자기적 영향을 받지 않는 차폐 공간에서 측정하였다. 그 결과 P300의 진폭은 스트레스를 제시한 경우에 좀더 커지고, 이때의 잠재기는 길어지는 결과를 얻었다 본 연구에서는 인간의 지각, 인지. 행동의 과정을 담당하는 뇌의 활동을 전위 변동으로 기록하여 정신적 스트레스의 영향을 측정하였다. 이러한 기초적 연구 검토를 통하여 인간의 제반 과정에 관한 뇌 기능의 이상을 평가 할 수 있을 것이라 기대된다.

This research was performed to analyze quantitatively how spiritual stress affects some ERPs on human through sight stimulus after the settlement of visual and auditory integration environment in three dimension space. We measured ERPs in the normal state and spiritual stress sessions separately. The subjects were 10 normal men and women and vital signs was recorded from Fpl, Fz, Cz, Pz, O1, O2's scalps. The experiment was done in isolated room where electro-magnetic effect do not affect. The result showed that P300's amplitude was a little higher under stress session and latent period in this resulted in longer time. We recorded through voltage variation the activity of brain which is in charge of human's perception. cognition, process of action and evaluated the effect of spiritual stress. We expected that the result of this research can be used to evaluate the malfunction of brain.

키워드

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