The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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The Effect of White Noise and Pink Noise on the Brain Activity

화이트 노이즈와 핑크 노이즈가 뇌 활성도에 미치는 영향

  • 김병현 (상명대학교 일반대학원 감성공학과) ;
  • 황민철 (상명대학교 미래융합공학대학 휴먼지능정보공학과)
  • Received : 2017.03.09
  • Accepted : 2017.04.12
  • Published : 2017.05.28
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Abstract

This study is to determine the significant effect of white and pink noise on brain. The brain synchronization has been analyzed under the condition of non-noise, white nose and pink noise(male 10, female 10, mean age $23.3{\pm}2.14$). As a result of analysis, pink noise stimulus, alpha, low beta band, and high beta band were significantly decreased than non-noise and white noise. In addition, these brain response pattern significantly increased at frontal lobe and temporal lobe, and dominated on the right hemisphere. This result is considered to be useful of sound design in driving quality of human life on the basis of neuroscience.

본 연구는 화이트 노이즈와 핑크노이즈가 뇌에 미치는 영향을 증명하기 위해 확률 공명(stochastic resonance, SR) 현상으로 확인하고자 한다. 피실험자 20명(여 10, 평균나이 $23.3{\pm}2.14$)을 대상으로 각각 노이즈 청각 자극을 제시하고 뇌파를 측정했으며, 주파수 분석을 통해 뇌 활성도를 확인했다. 분석결과, 레퍼런스, 화이트 노이즈 보다 핑크 노이즈 자극 시 alpha, low beta 대역이 증가하고, high beta 대역이 감소했다. 또한 전두엽과 측두엽 지점에서 유의하게 증가했으며, 뇌 활성도가 우반구에서 유의하게 우세한 패턴을 확인했다. 이 결과는 노이즈의 새로운 긍정적인 활용성 모색과 청각영역에 관한 뇌신경과학분야의 기초 연구로써 활용 가능할 것으로 사료된다.

Keywords

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