Effects of positive mood and touching on the body were evaluated according to changes in the threshold to salt taste. The subjects were 30 healthy female students aged 19-21 years. The threshold to salt taste was measured after the subjects were asked to imagine a scene that would evoke a positive mood and after touching. The data were analyzed by paired t-test, and the differences were regarded as significant when the p value was less than 0.05. The following results were obtained. (1)The taste threshold was significantly lower (p<0.01), i.e. the sensitivity to salt taste was enhanced, in the positive mood group than the control groups I and II. (2)The taste threshold was significantly (p<0.01), i.e. the sensitivity to salt taste was enhanced, in the touch group than the control groups I and II. (3)The taste thresholds were not significant, since the sensitivity to salt was enhanced, in both the positive mood group and the touch group. (4)Significant correlations (p<0.01) were observed between the positive mood group and the negative mood group,between the positive mood group and the control groups I and II or touch group, and between the touch group and the control groups I and II, and between the control group I and the control group II.
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