西洋杉の香りが脳波に及ぼす影響

概要

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西洋杉とラヴェンダー精油を用いた嗅覚刺激が，脳波基礎律動に及ぼす影響について検討を加えた。西洋杉呈示群では，theta波と低域alpha波が減少し，中高域beta波が増加したが，ラヴェンダー群では低域theta波の増加，中域beta波の減少が認められた。特に両群の相違は低域theta波，中域beta波で顕著であった。このことから，西洋杉はラヴェンダーに比べて覚醒的な生理作用を有することが示唆された。The computed electroencephalographic(CEEG)studies due to the odor stimulation of the cedar odorants and the lavender odorants were investigated.Ten healthy students with informed consent were participated in this study.Five students were stimultated by the cedar odorants and the others were stimulated by the lavender odorants.In the cedar stimulated group the power spectrum of theta 1 waves(F4 and P4),theta 2(T3)and alpha 1 waves(P3)were decreased,while beta 2 waves(T3,P3,P4 and O2)were incresed.In the lavender stimulated group the power spectrum of thetal(F4)was increased and beta I waves in T3,O1,P4 and F4 were decreased.These results suggest that the cedar odorants have more arousal effect compared with the lavender odorants.
大阪教育大学の論文