904-抑郁症TMS治疗的多突触白质路径 episode artwork

EPISODE · May 5, 2026 · 26 MIN

904-抑郁症TMS治疗的多突触白质路径

from 聊聊Sci

这篇研究通过连接组建模,揭示了经颅磁刺激(TMS)治疗抑郁症的神经解剖学基础。研究发现,虽然刺激点背外侧前额叶(DLPFC)与下游目标膝下灰质(SGC)之间缺乏直接神经纤维,但信号可以通过包含丘脑和前扣带回等区域的多级多突触路径进行传递。通过分析两个独立患者队列的数据,研究者证实了这些白质通路的路径长度(跨越的神经纤维跳数)能有效预测临床疗效:路径越短、沟通越直接,患者的抑郁症状改善越明显。此外,研究还绘制出了介导治疗作用的皮质与皮质下回路,为优化磁刺激的精准定位策略提供了结构化依据。该成果表明,结合人类结构连接组的计算模型对于理解和提升脑刺激疗法的有效性具有重要价值。References:Seguin C, Mansour L S, Betzel R F, et al. White matter pathways mediating dorsolateral prefrontal TMS therapy for depression[J]. Nature Neuroscience, 2026: 1-6.前往小宇宙评论区与主播互动

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904-抑郁症TMS治疗的多突触白质路径

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