分裂病者の精神生理学的研究 : 安静状態・笑い反応について

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Psychophysiological reactions were studied in 25 schizophrenics of hebephrenic type and in 23 normal control subjects under conditions of the resting state and observing a comic film which usually induces laughings in normal person.The psychophysiological reactions were observed by the method of polygraphic reconrding of the EEGs, EMGs of the facial muscles, electro-oculogram, photoplethysmogram, EKG, GSR, spiro-gram.Most prominent findings under the resting state were, in the first place, that the tonic discharge in the facial muscles examined was of significantly higher amplitude in the schizophrenics than in the control subjects; especially the tonic discharge in the M. corrugator supercilii was very high amplitude in the schizophrenics, and secondly that the number of eye movements per a unit time was significantly larger in the schizophrenics and in the control subjects. These two findings indicate the schizophrenics were in the remarkably anxious and tense state during the observation.In the state of observing a comic film, increment in the muscle discharge of M. orbicularis oculi, M. zygomaticus major and M. mentalis, and decrement in the muscle discharge of M. corrugator supercilii were significantly less prominent in the schizophrenics than in the control subjects. The schizophrenics did not show any significant change in the respiratory rate. These findings indicate that emotional expression of laughing was very scanty in schizophrenics, which was in marked contrast with the finding in the control subjects.The above findings would indicate that schizophrenics were poor in emotional expression of laughing, probably bacause that they were in the very anxious and tense state.
日本心身医学会の論文
1971-08-01

分裂病者の精神生理学的研究 : 安静状態・笑い反応について

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