老人の意欲を手掌汗腺電気現象から測定する

概要

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Palmar skin potential response (SPR) was recorded in 25 healthy subjects of both sexes (mean age: 66.8 years) who were identified as high volitional aged (HV aged) by the Scale of Self-Confidence and Philadelphia Geriatric Center Morale Scale. An auditory stimulus (1000Hz, 95 dB, 1 s) was administered to each subject at random intertrial intervals in a sound proof room. SPR parameters such as habituation rate and waveform, and reaction time (RT) were analyzed psychophysiologically, and they were compared to 29 subjects of both sexes (mean age: 67.1 years) who were identified as low volitioal aged (LV aged) by the Scales described above. Results were summarized as follows. 1) HV aged habituated more slowly to the stimulus than LV aged (p<0.05). 2) HV aged showed diphasic and positive waves more ofen than LV aged (p<0.001). 3) A marked shortening of simple and choice RT in response to each stimulus was found in HV aged (p<0.001, p<0.001 respectively). These results were discussed in terms of central activation and possible mechanisms underlying the volitional state in the aged.
早稲田大学の論文
1990-03-25