Differing associations of depersonalization with physiological response during rest and breath-focused mindfulness in a trauma-exposed female population.
Differing associations of depersonalization with physiological response during rest and breath-focused mindfulness in a trauma-exposed female population.
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在遭受创伤的女性群体中，在休息和以呼吸为中心的正念期间，人格解体与生理反应的不同关联。
DOI：
10.1016/j.jpsychires.2023.05.028
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发表时间：
2023
影响因子：
4.8
通讯作者：
Fani,Negar
中科院分区：
文献类型：
--
作者：
Lathan,EmmaC;Guelfo,Alfonsina;LaBarrie,DominiqueL;Teer,Andrew;Powers,Abigail;Siegle,Greg;Fani,Negar
背景：分离性和创伤后应激障碍（PTSD）症状通常是对心理创伤的共同反应。然而，这两组症状似乎与生理反应的不同模式有关。迄今为止，很少有研究调查特定的分离症状，即人格解体和现实性丧失，与皮肤电导反应（SCR）的关系，SCR是创伤后应激障碍症状背景下自主神经功能的标志。在当前PTSD症状的背景下，我们研究了在静息控制和呼吸集中正念两种情况下人格解体、现实感丧失和SCR之间的关系。方法从社区中招募68名创伤暴露妇女（82.4%为黑人；Mage= 42.5,SDage= 12.1）进行呼吸集中正念研究。SCR数据是在静息控制和呼吸集中正念交替状态下收集的。对这些不同条件下的分离症状、SCR和PTSD之间的关系进行了适度分析。结果中庸分析显示，在低至中度PTSD症状的参与者中，去人格化与静息对照时较低的SCR相关，B= 0.0005，SE= 0.0002,p= 0.006；然而，在具有相似PTSD症状水平的个体中，去人格化与呼吸集中正念期间较高的SCR相关，B= - 0.0006，SE= 0.0003,p= 0.029。SCR患者的现实障碍与PTSD症状之间没有明显的相互作用。结论低中度创伤后应激障碍患者的人格解体症状可能与休息时的生理戒断有关，但在努力调节情绪时的生理唤醒更大，这对该人群的治疗参与障碍和治疗选择具有重要意义。
BackgroundDissociative and posttraumatic stress disorder (PTSD) symptoms are commonly co-occurring responses to psychological trauma. Yet, these two groups of symptoms appear to be related to diverging patterns of physiological response. To date, few studies have examined how specific dissociative symptoms, namely, depersonalization and derealization, relate to skin conductance response (SCR), a marker of autonomic function, within the context of PTSD symptoms. We examined associations among depersonalization, derealization, and SCR during two conditions – resting control and breath-focused mindfulness – in the context of current PTSD symptoms.MethodsSixty-eight trauma-exposed women (82.4% Black;Mage= 42.5,SDage= 12.1) were recruited from the community for a breath-focused mindfulness study. SCR data were collected during alternating resting control and breath-focused mindfulness conditions. Moderation analyses were conducted to examine relations among dissociative symptoms, SCR, and PTSD for these different conditions.ResultsModeration analyses revealed that depersonalization was linked to lower SCR during resting control,B= 0.0005,SE= 0.0002,p= .006, in participants low-to-moderate PTSD symptoms; however, depersonalization was associated with higher SCR during breath-focused mindfulness,B= −0.0006,SE= 0.0003,p= .029, in individuals with similar levels of PTSD symptoms. No significant interaction between derealization and PTSD symptoms on SCR was observed.ConclusionsDepersonalization symptoms may associate with physiological withdrawal during rest, but greater physiological arousal during effortful emotion regulation in individuals with low-to moderate levels of PTSD, which has significant implications for barriers to treatment engagement as well as treatment selection in this population.
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