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Deep Brain Stimulation with Simultaneous fMRI in Rodents
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时间干扰刺激的目标是灵长类大脑的深层.

Ruobing Liu1, Guanyu Zhu2, Zhengping Wu3

  • 1CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, PR China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, PR China.

NeuroImage
|March 20, 2024
PubMed
概括
此摘要是机器生成的。

时间干扰 (TI) 刺激成功调节了非人类灵长类动物大脑深部区域的神经活动. 这种非侵入性技术显示出治疗运动障碍的前景,并为深度大脑调制提供了精确的方法.

关键词:
深度大脑刺激是什么?头骨内的脑内.时间干扰的时间干扰.电场是一个电场.基于模型的模拟.

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科学领域:

  • 神经科学是一个神经科学.
  • 生物医学工程 生物医学工程
  • 医学物理 医学物理

背景情况:

  • 时间干扰 (TI) 刺激是一种新的非侵入性大脑调制技术.
  • 以前的研究表明TI在小鼠中的有效性,但其适用于更大的大脑和安全电流下的深度透仍然未经验证.
  • 从实际大脑中缺乏经验电生理学数据,这限制了TI的理解和应用.

研究的目的:

  • 测量雷猿大脑中TI诱导的电场的时空特性.
  • 为了验证TI对人类运动障碍的影响.
  • 为TI在大脑深层区域调制方面的潜力提供经验证据.

主要方法:

  • 在两只 rhesus 子中植入立体电脑电图 (SEEG) 深度电极以进行电场测量.
  • 对麻醉的子和患有运动障碍的人类患者进行TI刺激.
  • 进行计算电场模拟,并与经验记录进行比较.

主要成果:

  • 经验测量证实,大脑深部区域的TI电场可以达到足够的大小,用于神经调制.
  • 在子中,TI刺激诱导了神经信号的下值调制效应.
  • 运动障碍患者在TI刺激后表现出改善.

结论:

  • 这项研究提供了第一个系统测量TI电场在活着的非人类灵长类动物.
  • TI刺激显示出作为一个聚焦和精确的方法来调节大脑深层区域的神经活动的潜力.
  • TI对神经精神疾病的未来治疗应用具有前途.