a Department of Psychology , Vanderbilt University , 301 Wilson Hall, 111 21st Avenue South, Nashville , TN 37240 , USA.
Cogn Behav Ther. 2017 Sep;46(5):421-431. doi: 10.1080/16506073.2017.1286517. Epub 2017 Mar 3.
Although deficits in attentional control have been linked to posttraumatic stress disorder (PTSD), the mechanism that may account for this association has not been fully elucidated. The present study examined rumination as a mediator of the relationship between attentional control and PTSD symptoms. Veterans with PTSD and trauma-exposed veterans without PTSD completed measures of attentional control, rumination, and PTSD symptom severity. As predicted, the findings showed that veterans with PTSD reported significantly lower levels of attentional control than veterans without PTSD. Veterans with PTSD also reported significantly higher levels of rumination than veterans without PTSD. Subsequent analysis of the total sample revealed that the relationship between attentional control and PTSD symptom severity was accounted for by excessive rumination. Attentional control may contribute to PTSD symptoms through excessive rumination. Attentional control and rumination may be important targets for PTSD interventions.
尽管注意力控制缺陷与创伤后应激障碍（PTSD）有关，但尚不清楚导致这种关联的机制。本研究探讨了反刍思维在注意力控制与 PTSD 症状之间的关系中的中介作用。患有 PTSD 的退伍军人和没有 PTSD 的经历过创伤的退伍军人完成了注意力控制、反刍思维和 PTSD 症状严重程度的测量。正如预测的那样，研究结果表明，患有 PTSD 的退伍军人报告的注意力控制水平明显低于没有 PTSD 的退伍军人。患有 PTSD 的退伍军人也报告了明显更高水平的反刍思维，而没有 PTSD 的退伍军人则没有。对总样本的进一步分析表明，注意力控制与 PTSD 症状严重程度之间的关系可以通过过度反刍来解释。注意力控制可能通过过度反刍导致 PTSD 症状。注意力控制和反刍思维可能是 PTSD 干预的重要目标。
