提示画像に対する好み評価と事象関連電位に関する検討

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  • Study on Relationship between Subjective Evaluation and Event-Related Potential for Displayed Pictures
  • テイジ ガゾウ ニ タイスル コノミ ヒョウカ ト ジショウ カンレン デンイ ニ カンスル ケントウ

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Event-related potential (ERP) was measured when subjectively judging the preference for displayed pictures by three opinions; First preference, Second preference, and Others. And the relationship between subjective evaluation and ERP was discussed. In Exp. A, combinations of color shirts with pants were evaluated, in which only the color of the shirt was changed. In Exp. B, five kinds of animals in a zoo were evaluated. After the ERP measurement, a preference test by questionnaire was demonstrated. In result, the P300 area (surrounded by ERP waveform from 250 to 600 ms) is large in some cases where the degree of the preference is small. But the P300 area for a picture corresponding to `First preference' is larger in both experiments, which indicates a potential to distinguish the subject's preference by ERP.

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