Thompson-Hollands Johanna, Jun Janie J, Sloan Denise M
National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System, Boston, Massachusetts, USA.
Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts, USA.
J Trauma Stress. 2017 Apr;30(2):190-194. doi: 10.1002/jts.22179.
Peritraumatic dissociation, a term used to describe a complex array of reactions to trauma, including depersonalization, derealization, and emotional numbness, has been associated with posttraumatic stress disorder (PTSD) symptoms across a number of studies. Cognitive theory suggests that interpretations of traumatic events and reactions underlie the persistence of PTSD. The present study examined the associations among peritraumatic dissociation, posttraumatic cognitions, and PTSD symptoms in a group of trauma-exposed adults (N = 169). Results indicated that, after accounting for overall symptom severity and current dissociative tendencies, peritraumatic dissociation was significantly predictive of negative beliefs about the self (R = .06, p < .001). Other categories of maladaptive posttraumatic cognitions did not show a similar relationship (R = .01 to .02, nonsignificant). Negative thoughts about the self partially mediated the association between peritraumatic dissociation and PTSD severity (completely standardized indirect effect = .25). These findings lend support to cognitive theories of PTSD and point to an important area for clinical intervention.
创伤相关分离，这一术语用于描述对创伤的一系列复杂反应，包括人格解体、现实解体和情感麻木，在多项研究中已被证实与创伤后应激障碍（PTSD）症状相关。认知理论表明，对创伤事件的解释和反应是PTSD持续存在的基础。本研究调查了一组经历过创伤的成年人（N = 169）中创伤相关分离、创伤后认知与PTSD症状之间的关联。结果显示，在考虑了总体症状严重程度和当前的分离倾向后，创伤相关分离能显著预测对自我的负面信念（R = .06，p < .001）。其他类别的适应不良的创伤后认知并未表现出类似关系（R = .01至.02，无统计学意义）。对自我的负面想法部分介导了创伤相关分离与PTSD严重程度之间的关联（完全标准化间接效应 = .25）。这些发现为PTSD的认知理论提供了支持，并指出了一个重要的临床干预领域。
