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轨道前皮层-海马体强化调解抑郁症的缓解:一项随机双盲试验和TMS-EEG研究

Sizhu Han¹, Xing-Xing Li², Shuochi Wei²

¹Department of Psychiatry, Ningbo Kangning Hospital, Ningbo 315201, China; Shanghai Key Laboratory of Psychotic Disorders, Brain Health Institute, National Center for Mental Disorders, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai 200030, China.

Cell reports. Medicine

|June 1, 2023

概括

重复的横磁刺激 (rTMS) 可以增加患有重度抑郁症 (MDD) 的患者的大脑活动. 海马表现出与症状改善相关的活性增加,突出显示了用于缓解抑郁症的轨道前-海马通路.

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.
医疗成像医学成像

背景情况:

针对背侧前额皮质 (DLPFC) 的重复性跨体磁性刺激 (rTMS) 已被FDA批准用于治疗抑郁症15年.
在RTMS引起的抑郁缓解背后的精确神经生物学机制仍然不完全理解.

研究的目的:

研究rTMS对患有重度抑郁症 (MDD) 患者大脑活动和连接性的神经生理学影响.
确定与MDD中rTMS治疗反应相关的特定大脑区域和途径.

主要方法:

从64名健康对照 (HC) 和53名MDD患者在rTMS治疗前后进行的TMS电脑电图 (EEG) 数据的分析.
在DLPFC,海马体 (HPC) 和轨道前皮层 (OFC) 中的大脑活动的比较,以及群体之间的DLPFC-OFC连接和跨治疗.

主要成果:

与治疗前的HC相比,MDD患者在DLPFC,HPC,OFC和DLPFC-OFC连接方面表现出较低的活动.
在rTMS之后,MDD患者的DLPFC,HPC和OFC活动显著增加.
增加的HPC活动与抑郁症症状的改善相关,而不是焦虑或睡眠质量.

结论:

轨道前-海马回路对于通过rTMS调解抑郁缓解至关重要.
研究结果表明,用于治疗抑郁症的脑刺激疗法可能是新的点.

关键词:

大脑刺激刺激大脑一个循环的电路.抑郁抑郁症抑郁症抑郁症是一种在海马体内,海马体它的轨道是轨道.

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