Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Comparison of Psychological and Physiological Differences of Human due to the EEG Type Scent

뇌파유형별 향기에 따른 인체의 심리적 및 생리적 차이 비교

  • Kim, Myung Ho (Department of Building Equipment & System Engineering, Gachon University)
  • 김명호 (가천대학교 건축설비공학과)
  • Received : 2012.11.21
  • Accepted : 2013.01.10
  • Published : 2013.01.31
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Abstract

In this study, the three scents effects on subjects due to EEG type, and it researched to find optimal scent to increase their amenity and productivity. EEG and HRV were compared and analyzed in the environmental test room by classifying subjects into two type: A and B. The condition of the environmental test room was in temperature 31[$^{\circ}C$], relative humidity 50[RH%], air current speed 0.02[m/s] and illuminance 1000[lux] with setting up three different scents which are Rosemary, Jasmine and Hazelnut. The result of this study, at Jasmine scent for A and B type, relative ${\alpha}$ wave, SEF50, $\frac{SMR}{\theta}$ and SDNN were revitalized, and ${\alpha}$ wave asymmetry index, HRT, stress index and fatigue degree were decreased. It was found that favorite scent of A and B type is same as Jasmine scent, but A type was more sensitive than B type about scent. Therefore Jasmine scent is very effective to increase amenity, productivity and concentration, and to decrease stress and fatigue degree.

본 논문에서는 3가지 향기가 뇌파유형에 따른 피험자에게 미치는 영향과 피험자의 쾌적성 및 생산성을 향상시킬 수 있는 최적의 향기를 찾기 위한 연구를 하였다. 피험자들을 A타입과 B타입으로 분류하여 뇌파(EEG), 학습능력 및 심박동변이(HRV)를 측정하여 쾌적성, 집중력, 스트레스 및 심장박동의 변화를 분석하였다. 항온 항습실은 온도 31[$^{\circ}C$], 상대습도 80[RH%], 조도 1,000[lux] 및 기류 속도 0.02[m/sec]의 상대적으로 불쾌적한 조건에서 로즈마리, 쟈스민 및 헤이즐넛 향기를 이용하여 실내 환경을 변화시켜 주었다. 연구결과 쟈스민 향기가 A타입과 B타입의 상대${\alpha}$파, SEF50, $\frac{SMR}{\theta}$ 및 SDNN이 활성화 되었으며, 비대칭지수, 스트레스지수 및 피로도는 감소하였다. A타입과 B타입 모두 쟈스민 향기를 선호하는 것을 알 수 있었으나, A타입이 B타입 보다 향기에 더욱 민감하게 반응하였다. 따라서 쟈스민 향기가 쾌적성, 생산성 및 집중력 향상과 스트레스 및 피로도 감소에 효과적이다.

Keywords

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