加速度脈波カオス指標を用いた香りの効果判定

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タイトル別名
  • Effect Evaluation of Smell by the Chaos Index of Acceleration Plethysmograms
  • カソクド ミャクハ カオス シヒョウ オ モチイタ カオリ ノ コウカ ハンテイ

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説明

In this study, we evaluated the effect of aroma by using the chaos analysis of acceleration plethysmogram. We tried to apply the trajectory parallel measure (TPM) and the recurrence plot method (RP) as a chaotic analysis and used the value of TPM ave. (average of TPM) and the value of RP-dw (the ratio of white to the whole figure expressed by RP) for analysis. The value of RP-dw tended to decrease by the inhalation of peppermint and sweet orange in persons who liked the smell. And the value of TPM ave. was significantly decreased by the inhalation of sweet orange in persons who disliked the smell. The results suggest that the inhalation of aroma make the circulatory homeostasis more stable in persons who like the smell. On the other hand, it is considered that an unpleasant smell has simplified the blood stream by making the functional stiffness of the vessel wall decrease. The detailed mechanism is not clear though it is thought that the chaos of acceleration plethysmogram is a useful index that can inspect the change in the homeostasis of the living body. It is required that the mechanism will be clarified by the detailed examination of the change in the chaos index in the future.

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  • 教育医学

    教育医学 51 (4), 274-281, 2006

    日本教育医学会

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