在女性创伤幸存者中,与创伤后应激障碍相关的神经连接的差异
Natalie C Noble1, Mohammad S E Sendi2,3, Julia B Merker4
1Department of Psychological Science, University of Vermont, Burlington, Vermont.
Biological psychiatry global open science
|September 17, 2025
概括
患有创伤后应激障碍 (PTSD) 的女性显示大脑连接性增加,特别是在视觉和注意力网络中. 这项研究使用静止状态EEG探索了这些变化,并在患有PTSD的女性中发现了功能连接的改变.
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.
- 妇女健康 妇女健康
背景情况:
- 创伤后应激障碍 (PTSD) 不成比例地影响女性.
- 之前的研究将男性PTSD与前脑连接性降低联系起来.
- 这项研究研究了患有PTSD的女性的功能连接.
研究的目的:
- 为了检查PTSD女性的功能性大脑连接.
- 探索性激素对PTSD中大脑连接性的影响.
- 为了确定女性PTSD的神经相关物.
主要方法:
- 招募了61名遭受创伤的女性.
- 记录的静止电脑电图 (EEG) 数据.
- 通过使用线性混合效应模型,分析了theta频段 (4-7 Hz) 功能连接.
主要成果:
- 创伤后应激障碍组在视觉和大脑皮层区域之间表现出高连接性.
- 在PTSD中,在默认模式和前端对象控制网络之间观察到增强的连接性.
- 在PTSD中,腹部注意网络和大脑皮层之间发现了增加的连接性.
结论:
- 这些发现与先前关于PTSD视觉脑区域连接性改变的研究一致.
- 结果表明,视觉处理中断可能是PTSD重新体验症状的基础.
- 泰达频率范围与PTSD相关,可能是因为它在恐惧学习和调节中的作用.
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