摂食過程における視覚遮断が食味に与える影響に関する検討

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  • セッショク カテイ ニ オケル シカク シャダン ガ ショクミ ニ アタエル エイキョウ ニ カンスル ケントウ

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[Purpose] The purpose of this study is to examine the effects of visual sensory deprivation during the anticipatory stage on eating. [Methods] The subjects were asked to ingest a banana by themselves under 2 different conditions: their vision was blocked and their vision was not blocked. To measure the emotions related to eating, an evaluation of 5 indicators was conducted. In addition, we measured trait anxiety by State-Trait Anxiety Inventory-Form JYZ (STAI-JYZ). The results were classified into 2 groups: the visually deprived group and the visually non-deprived group. We compared the 2 groups in terms of the mean value of all the Visual Analogue Scale (VAS) indices and STAI.[Results] Compared to the values of the VAS index in the visually non-deprived group, values in the visually deprived group were found to be lower in terms of 5 indicators (p < 0.01). There was no clear difference or trend regarding the STAI. [Conclusion] Visual sensory deprivation had an impact on affectivity such as appetite, eating texture and sense of good taste, and also on the pharyngeal stage of deglutition, namely the ease of swallowing.

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