对强迫症的治疗DBS抑制了默认模式网络
Natalya Slepneva1,2, Genevieve Basich-Pease1,2, Lee Reid2,3
1Weill Institute for Neurosciences, University of California, San Francisco, California, USA.
Human brain mapping
|December 25, 2024
概括
强迫症 (OCD) 的深度大脑刺激 (DBS) 可能通过抑制默认模式网络 (DMN) 来起作用. 这种基于电路的强迫症治疗可能会通过结构性白质连接中断大脑网络通信.
科学领域:
- 神经科学是一个神经科学.
- 神经外科 神经外科
- 精神病学是一个精神病学.
背景情况:
- 内部囊前肢深度大脑刺激 (DBS) 是一种基于电路的治疗方法,用于治疗严重的强迫症 (OCD).
- 通过DBS缓解强迫症症状的确切机制尚未完全理解,尽管假设它涉及皮质-状-状-皮质网络的调节.
研究的目的:
- 为了研究ALIC DBS在严重强迫症患者中的网络效应.
- 探索DBS治疗期间功能性大脑活动变化和结构性连接之间的关系.
主要方法:
- 功能性MRI (fMRI) 与开启/关闭循环范式被用于5名参与者 (3名响应者,2名不响应者) 接受ALIC DBS治疗强迫症.
- 使用扩散权重成像 (DWI) 和曲谱学来评估活跃的DBS接触者与大脑网络之间的结构连接.
主要成果:
- 治疗ALIC DBS配置抑制了包括轨道前皮层,背中前皮层和亚体皮核在内的区域的BOLD活动.
- 许多被抑制的区域是默认模式网络 (DMN) 的一部分.
- 来自治疗配置的刺激场显示了与核心DMN节点的显著结构连接.
结论:
- 治疗强迫症的ALIC DBS可能通过抑制DMN产生治疗效果.
- 假设这种抑制是通过连接到DBS电极的结构性白质通道的通信中断而发生的.
关键词:
在 DTI 中,DTI 是指DTI.这是OCD的OCD.内部囊前肢的前肢.深度大脑刺激 刺激大脑默认模式网络模式 默认模式网络模式功能磁力共振成像 (fMRI) 是一种功能共振成像.路径学 路径学 路径学 路径学 路径学更多相关视频
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