Prior research suggests that anhedonia symptoms related to posttraumatic stress disorder (PTSD; i.e., diminished interest, detachment from others, and difficulty experiencing positive emotions) are consistently associated with a higher degree of impairment in psychosocial functioning beyond that associated with other PTSD symptoms. Unfortunately, much of this research has used cross-sectional study designs; relied upon outdated DSM diagnostic criteria; and failed to control for potentially confounding variables, such as the presence of co-occurring depression. This study used data from Waves 2 and 4 (n = 1,649) of the Veterans’ After-Discharge Longitudinal Registry (Project VALOR), a longitudinal dataset of U.S. Army and Marine veterans. As measured using the Inventory of Psychosocial Functioning, Wave 4 psychosocial functioning was regressed on seven PTSD symptom factors at Wave 2 (i.e., intrusions, avoidance, negative affect, anhedonia, externalizing behaviors, anxious arousal, and dysphoric arousal) and potential Wave 2 confounds. The Anhedonia factor, β = .123, most strongly predicted later psychosocial functional impairment beyond the impact of other PTSD symptom factors, βs = −.076–.046. Clinical implications of these findings are also discussed.

中文翻译：

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创伤后应激障碍相关的快感缺乏是美国退伍军人心理社会功能障碍的预测因素


先前的研究表明，与创伤后应激障碍（PTSD；即兴趣减退、与他人疏远以及难以体验积极情绪）相关的快感缺乏症状始终与比其他 PTSD 症状相关的更高程度的心理社会功能损伤相关。不幸的是，大部分研究都使用了横断面研究设计。依赖过时的DSM诊断标准；并且未能控制潜在的混淆变量，例如同时发生的抑郁症的存在。本研究使用了退伍军人退役后纵向登记（VALOR 项目）第 2 波和第 4 波（ n = 1,649）的数据，这是美国陆军和海军陆战队退伍军人的纵向数据集。根据心理社会功能量表进行测量，第 4 波心理社会功能在第 2 波的 7 个 PTSD 症状因素（即侵入、回避、负面情绪、快感缺失、外化行为、焦虑性唤醒和烦躁性唤醒）和潜在的第 2 波混淆中回归。 。快感缺失因子 β = .123 最有力地预测了后来的心理社会功能障碍，超出了其他 PTSD 症状因子 βs = −.076–.046 的影响。还讨论了这些发现的临床意义。