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Motor imagery during hypnotic arm paralysis in high and low hypnotizable subject

机译:高和低催眠对象在催眠手臂麻痹期间的运动图像

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摘要

Previous research suggests that conversion disordered patients with hand/arm paralysis exhibit slowed reaction times for mental hand-rotation tasks that correspond to their affected arm when the tasks are explicitly instructed and not when they are implicitly cued. Because of the many similarities between hypnotic phenomena and conversion symptoms, the authors tested whether similar motor imagery impairment would occur among normal high hypnotizable subjects when paralysis is suggested. Nine high and 8 low hypnotizable subjects were administered an implicit and an explicit mental hand-rotation task during hypnotically suggested paralysis of the right arm. On the implicit task, there were no significant reaction time (RT) differences between highs and lows. On the explicit task, only highs showed a significantly larger RT increase per degree of rotation with the paralyzed arm, compared to the normal arm. These preliminary findings suggest that the motor imagery impairment observed in conversion paralysis can be induced in highs using hypnosis.
机译:先前的研究表明,患有手/手臂麻痹的转化障碍患者在明确指示其任务而不是对其进行暗示时,对与他们受影响的手臂相对应的心理手旋转任务的反应时间减慢。由于催眠现象和转换症状之间有许多相似之处,因此作者测试了在建议麻痹的情况下,在正常的高度催眠患者中是否会发生类似的运动图像障碍。在催眠提示右臂麻痹的过程中,对高和低的8个催眠术对象进行了隐性和显性的心理手旋转任务。在隐式任务上,高点和低点之间没有明显的反应时间(RT)差异。在明确的任务上,与正常手臂相比,瘫痪的手臂每转一度仅高点显示显着更大的RT升高。这些初步发现表明,使用催眠可以在转换麻痹中观察到运动图像障碍。

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