Preliminary evidence for a unique role of disgust-based conditioning in posttraumatic stress.
Preliminary evidence for a unique role of disgust-based conditioning in posttraumatic stress.
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DOI：
10.1002/jts.21796
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发表时间：
2013-04
影响因子：
3.3
通讯作者：
Knapp, Ashley
中科院分区：
文献类型：
--
作者：
Badour, Christal L.;Feldner, Matthew T.;Blumenthal, Heidemarie;Knapp, Ashley
独立的证据表明，创伤后应激症状学与创伤后厌恶（即在创伤事件中经历的厌恶）和创伤后厌恶反应（暴露于创伤事件的个体对创伤事件线索的反应）有关。这项研究的大部分内容都表明，即使考虑到更频繁研究的恐惧和焦虑的情感状态，厌恶（被定义为一种排斥/厌恶反应，旨在使自己远离潜在的污染源）可能对理解创伤后应激反应的本质很重要。目前的研究在54名社区招募的有过性侵史的女性样本中对创伤后应激中的厌恶模型进行了初步测试。表意文字创伤事件脚本的创伤前后厌恶反应和创伤后厌恶反应均与创伤后应激症状严重程度显著相关。在考虑了创伤后恐惧和创伤后焦虑反应的可变性后，还发现创伤后厌恶通过创伤后厌恶反应产生间接影响，这表明创伤后厌恶与创伤后应激相关的一种机制是通过其与创伤后厌恶反应增加的关系。这些发现强调了进一步阐明与创伤事件和随后的创伤后应激反应有关的厌恶本质的重要性。
Independent lines of evidence have linked posttraumatic stress symptomatology to both peritraumatic disgust (i.e., disgust experienced during a traumatic event) and posttraumatic disgust reactivity in response to traumatic event cues among individuals exposed to traumatic events. Much of this work suggests disgust, defined as a rejection/revulsion response aimed at distancing oneself from a potential source of contamination, may be important in understanding the nature of posttraumatic stress reactions even after accounting for the more frequently studied affective states of fear and anxiety. The current investigation provided a preliminary test of a model of disgust in posttraumatic stress among a sample of 54 community-recruited women with a history sexual victimization. Both peritraumatic disgust and posttraumatic disgust reactivity in response to an ideographic traumatic event script were significantly associated with posttraumatic stress symptom severity. After accounting for variability associated peritraumatic fear and posttraumatic anxious reactivity, an indirect effect of peritraumatic disgust through posttraumatic disgust reactivity also was found, suggesting that one mechanism through which peritraumatic disgust relates to posttraumatic stress is through its relation with increased posttraumatic disgust reactivity. These findings highlight the importance of further elucidating the nature of disgust in relation to traumatic events and subsequent posttraumatic stress reactions.
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