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相关概念视频

Brain Imaging01:14

Brain Imaging

786
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
786

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非侵入性准,探测和调节深层大脑电路以缓解抑郁症

Desmond J Oathes1,2, Romain J-P Duprat1, Justin Reber1

  • 1Department of Psychiatry, Center for Neuromodulation in Depression and Stress, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.

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|February 23, 2026
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概括

重复性跨磁刺激 (rTMS) 通过激活大脑电路,有效治疗抑郁症. 这项研究表明,TMS引起的亚阴前环状皮质 (sgACC) 反应预测抑郁症患者的临床改善.

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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:

  • 重复性跨磁刺激 (rTMS) 是一种有前途的抑郁症治疗方法.
  • 重点是调节下前带皮层 (sgACC).
  • 没有先前的研究将sgACC TMS引起的反应与临床结果联系起来.

研究的目的:

  • 通过使用TMS引起的响应来证明sgACC电路参与.
  • 调查sgACC TMS引起的反应与rTMS对抑郁症的临床影响之间的关系.
  • 建立sgACC参与及其临床相关性的因果证据.

主要方法:

  • 在36名未服用药物的抑郁症患者中使用间接单脉冲TMS/fMRI.
  • 使用rs-fMRI识别了sgACC连接的皮质目标.
  • 在3天iTBSrTMS干预之前和之后,在sgACC中评估TMS引起的fMRI大胆反应.

主要成果:

  • 干预前的sgACC TMS引起的反应大小预测了抑郁症的改善.
  • 引起更多负面反应与更大的临床改善相关.
  • 干预后引起的反应的变化也与抑郁症的改善有关,这与目标途径有关.

结论:

  • 通过TMS/fMRI证明了sgACC参与的因果证据.
  • 显示了参与和调节前额-sgACC电路的临床相关性.
  • 在sgACC中TMS引起的反应作为抑郁症中rTMS治疗的预后生物标志物.