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非侵入性深度时间干扰刺激的定量分析:一个模拟和实验研究.

Zohre Mojiri1, Amir Akhavan1, Ehsan Rouhani1

  • 1Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran.

Heliyon
|April 24, 2024
PubMed
概括

时间干扰 (TI) 刺激为深度大脑刺激 (DBS) 提供了一种非侵入性方法. 这项研究表明,TI刺激可以有效调节神经活动并诱导运动,有望治疗神经系统疾病.

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

背景情况:

  • 深度大脑刺激 (DBS) 是一种治疗神经和精神疾病的治疗方法.
  • 侵入性DBS携带出血和感染等风险.
  • 时间干扰 (TI) 刺激是一种使用两个高频电流的非侵入性替代方案.

研究的目的:

  • 研究TI刺激参数对霍奇金-哈克斯利 (HH) 神经元模型的影响.
  • 实验评估TI刺激对运动皮层激活和诱导运动的影响.

主要方法:

  • 在老鼠体感皮层HH神经元模型上模拟TI刺激.
  • 进行了应用平衡和不平衡TI刺激到运动皮层的实验.
  • 使用三轴加速度计来测量诱导的手动.

主要成果:

  • TI刺激的信封频率与6 Hz和9 Hz差异频率的神经元尖峰基本频率相匹配.
  • 通过1300-1400Hz载波频率和140-250μA/cm2电流实现最佳的发射率.
  • 在刺激左运动皮层时诱导的对侧手部运动 (高达1.6mm在z,5.3mm在y)

结论:

  • TI刺激参数可以精确控制神经发射率.
关键词:
霍奇金 - 哈克斯利模型非侵入性的深度大脑刺激.鼠的运动皮质是大鼠的运动皮质.太阳管干扰 太阳管干扰

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  • 实验结果与模拟结果一致,证明TI能够诱导反侧运动.
  • TI刺激是一种有前途的非侵入性工具,用于治疗神经系统疾病,包括成.