Prediction of Feeling of Subject on Odor Stimulation from Physiological Information

概要

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Some research groups studied how to evaluate the human olfaction objectively. But there was no attempt to evaluate objectively a subjectivity evoked by an odor stimulation. We tried to evaluate the feeling of subject, namely subjectivity evoked by the odor stimulation. In this study, we have measured an EEG activity of a subject who was stimulated by the odor and we have evaluated objectively the influence of the odor stimulation by a chaotic analysis and a frequency analysis. We could get the affection of odor stimulation even if the subject did not consciously feel the odor. The results showed that in the favorite odor stimulation the chaotic value of EEG data decreased slowly but it of the unfavorite odor stimulation dispersed. We could measure the change of the feeling of subject by the odor stimulation and we could predict the feeling of subject by several explanatory variates selected from physiological information.
社団法人電気学会の論文