自我伤害行为的心理生理学
The psychophysiology of self-mutilation.
作者信息
Haines J, Williams C L, Brain K L, Wilson G V
机构信息
Department of Psychology, University of Tasmania, Hobart, Australia.
出版信息
J Abnorm Psychol. 1995 Aug;104(3):471-89. doi: 10.1037//0021-843x.104.3.471.
Self-mutilators' psychophysiological and subjective responses during an imaged self-mutilative act were examined. Differences in arousal to 3 imaged control events (neutral, accidental injury, and aggression) were examined between 3 self-mutilation groups (prisoner, prisoner control, and nonprison control). Imagery scripts were presented in 4 stages; scene setting, approach, incident, and consequence. Results indicated a decrease in psychophysiological and subjective response during self-mutilation imagery. No such decrease was evident for nonmutilators who were administered standard self-mutilation imagery. A lag between psychophysiological and psychological response to the self-mutilative act was evident. Responses elicited during self-mutilation imagery were different from those of control imagery. Results indicated that self-mutilative behavior is maintained by its reinforcing tension-reducing qualities.
研究了自我伤害者在想象自我伤害行为过程中的心理生理和主观反应。考察了3个自我伤害组（囚犯组、囚犯对照组和非囚犯对照组）对3种想象的对照事件（中性、意外伤害和攻击）的唤醒差异。想象脚本分4个阶段呈现：场景设定、接近、事件和后果。结果表明，在自我伤害想象过程中，心理生理和主观反应有所下降。对于接受标准自我伤害想象的非自我伤害者，没有明显的这种下降。对自我伤害行为的心理生理和心理反应之间存在延迟。自我伤害想象过程中引发的反应与对照想象的反应不同。结果表明，自我伤害行为因其强化的减轻紧张的特质而得以维持。
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