抑郁症中精神运动障碍的神经特征
Florian Wüthrich1,2, Stephanie Lefebvre3, Vijay A Mittal4,5,6,7,8
1Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland. florian.wuethrich@unibe.ch.
Molecular psychiatry
|November 30, 2023
概括
抑郁症中的精神运动障碍涉及大脑连接的改变. 确定了特定的兴奋和迟缓模式,这表明了非侵入性脑刺激疗法的潜在目标.
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.
- 脑部成像 脑部成像
背景情况:
- 精神运动障碍 (PmD) 影响高达70%的大型抑郁症患者.
- 在抑郁症中PmD的病理生理学仍然不太清楚.
- 这项研究研究了PmD在大型患者队列中的神经支柱.
研究的目的:
- 检查当前和缓解抑郁症患者中精神运动障碍的神经相关物.
- 为了比较患者组和健康对照组之间的运动网络的静止状态功能连接和网络拓.
- 为了确定与精神运动迟缓和兴奋相关的特定连接模式.
主要方法:
- 在一个大样本 (820名健康患者,699名抑郁患者) 上利用休息状态功能连接 (ROI-to-ROI) 分析.
- 脑运动网络中的相对连接 (包括运动皮质,基底,丘脑,小脑).
- 应用图形理论来分析电机网络拓,并识别变化.
主要成果:
- 目前患有PmD的患有抑郁症的患者表现出状皮质和状皮质连接性增加.
- 延迟与更高的甲状腺皮层连接性有关;激动与更高的白皮层连接性有关.
- 经过缓解的PmD患者表现出改变的网络拓,表明持续的变化.
结论:
- 补偿性皮层-皮层连接可能会在当前抑郁中减轻PmD,但可以破坏网络拓.
- 对于激动和延迟,存在不同的连接签名.
- 缓解性抑郁症中运动网络拓的改变表明持续的神经变化,可能可以通过非侵入性脑刺激来治疗.
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