安静反応及び覚醒反応方向づけ訓練が恐怖イメージ時の精神生理学的反応に与える効果

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The present study investigated the effects of relaxation-response-oriented training on psychophysiological responses in the fear imagery based on Langs theory. Twenty subjects were divided into arousal and relaxation groups. The arousal and the relaxation groups were given the arousal-response-oriented and the relaxation-response-oriented trainings, respectively. After the training, all subjects took the imagery test in which IBI (inter-heartbeat-interval), respiration, frontalis EMG, and peripheral temperature during neutral and fear imageries were measured. There were no differences between groups on any measures, except for the respiration when the neutral scene was imagined. In the fear scene the relaxation-response-oriented imagery was more effective in reducing arousal responses than the arousal-response-oriented imagery. The present results suggest that the response-proposition-oriented procedure is effective not only in eliciting psychophysiojogical changes but also in inhibiting arousal responses during imagery.