治疗前的杏仁体激活和习惯性预测创伤后应激障碍的症状变化
Cecilia A Hinojosa1, Michael B VanElzakker2, Navneet Kaur3
1Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States.
Frontiers in behavioral neuroscience
|July 26, 2023
概括
预测创伤后应激障碍 (PTSD) 治疗反应至关重要. 大脑活动模式,特别是桃体和中腹前额叶皮层对情绪面部的反应,可以预测长期暴露治疗的改善.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 心理学 心理学 心理学
背景情况:
- 创伤重点心理治疗是创伤后应激障碍 (PTSD) 的一线治疗方法.
- 然而,很大一部分患者并没有完全康复,这凸显了个性化治疗预测的必要性.
- 以前的神经成像研究已经产生了不一致的治疗反应预测指标.
研究的目的:
- 为了调查治疗前的神经预测器对长期暴露 (PE) 治疗的反应在患有PTSD的成年人.
- 检查功能磁共振成像 (fMRI) 期间对情绪刺激的习惯性是否预测治疗结果.
主要方法:
- 16名患有PTSD的成年人接受了fMRI,同时观看了情绪化的面部表情.
- 参与者完成了PE治疗,在治疗前和治疗后评估了PTSD症状严重程度.
- 在杏仁体和中腹前额叶皮层的脑活动被分析与情绪刺激和治疗反应有关.
主要成果:
- 参与者在PE治疗后显示出整体症状改善.
- 较小的杏仁体激活和更大的中腹前额叶皮层激活到恐惧与快乐的面孔预测了更大的症状减少.
- 在基线可怕面孔的重复呈现中,杏仁体激活的较大下降也预测了更好的治疗结果.
结论:
- 对情绪刺激的基线神经反应,包括习惯模式,可以预测PTSD的治疗反应.
- 这些发现支持神经成像用于指导PTSD个性化治疗选择的潜力.
- 对刺激暴露期间神经变化的进一步研究是有必要的,以预测对暴露疗法的反应.
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