페퍼민트 농도변화가 뇌 활성과 감성에 미치는 영향

다국어 초록 (Multilingual Abstract)

This study investigated the convergence of the QEEG and mood state changes in healthy females from late teens to twenties in relation to the inhalation of peppermint oil (peppermint) in different concentrations (0.1~100%). Brain activity upon stimulation by different concentrations was analyzed based on the RPVs and CVB (%), representing a rate of change compared with the background QEEG. Peppermint showed the effect of relaxation at low concentrations (0.1 and 1%) with increased θ and α waves and decreased β and γ waves. As the concentration of peppermint increases, the α wave decreases, and the θ, β and w waves increase, and there is an arousal effect. Peppermint was rated as having a refreshing, exhilarating, and intense smell. At a low concentration of 0.1%, peppermint chiefly produced a feeling of pleasantness, freshness and refreshment. However, the increase in peppermint concentration resulted in a masculine, exiting, and hard emotional response. As the concentration of peppermint increased, the odor intensity increased in a linearly. The amount of change (ΔSEF50 and ΔSEF90) in edge frequencies closely related to the activation and stress of the brain showed a positive correlation. Odor intensity has a stronger association with ΔSEF90, a stress-related brain wave indicator than with ΔSEF50, a brain activation-related indicator. In addition, both ΔSEF50 and ΔSEF90 showed a positive correlation with APIGF (feelrefreshing average preference index) and a negative correlation with APIAC (Active-Calm average preference) and APIAll (total average preference index). These findings indicate that (1) the correlation between odor intensity and stress and (2) the relationship between emotional and QEEG can be interpreted in terms of brain wave study.

목차 (Table of Contents)

• Abstract
• 1. 서 론
• 2. 재료 및 방법
• 2.1 실험대상
• 2.2 자극물과 흡입방법
• 2.3 뇌파 측정과 감성평가
• 2.4 데이터 분석
• 3. 결과 및 고찰
• 3.1 페퍼민트 흡입에 따른 뇌파의 변화
• 3.2 페퍼민트의 농도와 냄새강도 및 모서리 주파수의 상관관계
• 3.3 페퍼민트의 농도변화에 따른 감성평가-냄새 강도-API의 관계
• 3.4 페퍼민트의 농도와 감성지수 및 모서리 주파수의 상관관계
• 3.5 고찰
• 4. 결 론
• References

참고문헌 (Reference)

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