局所温熱ストレスと精神性発汗

概要

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The purpose of this study was to clarify the effect of warm water bathing (40°C) of the hand on the psychologic sweating measured in the opposite palm. The subjects were 2 males and 4 females, aged 38±10 years (26-58 years). The psychologic sweating was estimated by the apparatus developed by Sakaguchi et al (Sakaguchi, M. et al BME 26: 213, 1988). The room temperature was 27 to 28°C and the relative humidity was 60 to 70%. The sensor was attached using adhesive tape on the right palm. Then the psychologic sweating was measured after deep respiration, mental arithmetic, hand grip, bathing in warm water of 40°C at the level of left wrist. The results showed that the mean values of palmar sweating were 15.6 for deep respiration, 16.8 for mental arithmetic, 15.5 for hand grip and 0 for warm water bathing.Above results suggest that local water bathing of moderate temperature induces a decrease of psychologic sweating, probably due to relaxing effect of the cerebrum.