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人类运动执行的EMG投射MEG高分辨率源成像:运动频率以上的大脑和肌肉的合

Ming-Xiong Huang1,2,3, Deborah L Harrington1,2, Annemarie Angeles-Quinto2

  • 1Radiology, Research, and Psychiatry Services, VA San Diego Healthcare System, San Diego, CA, USA.

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概括

一种新的电肌图 (EMG) 投射磁脑图 (MEG) 技术准确地绘制了手术前患者的原发动性皮质 (M1). 这种方法改善了运动期间的大脑肌肉沟通的洞察力,即使有感觉运动功能障碍.

关键词:
电肌图学 电肌图学 电肌图学磁性脑电图 (MEG) 是一种磁性脑电图.皮质可动力学合 皮质可动力学合皮质肌肉合 皮质肌肉合主发动机的主要发动机泰达乐队 泰达乐队

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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
  • 医疗成像医学成像

背景情况:

  • 在患有感觉运动功能障碍的患者中,使用磁脑电图 (MEG) 进行初级运动皮层 (M1) 的术前绘制至关重要,但具有挑战性.
  • 目前的方法需要进行广泛的试验,以获得足够的信号噪声比,而更高频率的脑肌沟通仍然不清楚.

研究的目的:

  • 开发和验证一种新的电肌图 (EMG) 投射的MEG源成像技术,用于精确的M1定位.
  • 在健康参与者和手术前患者的自我节奏运动中,研究不同频段的脑肌沟通.

主要方法:

  • 开发了一种EMG投射的MEG源成像技术,用于在短 (~1分钟) 自律的手指运动中定位M1活动.
  • 记录了13名健康参与者和2名患有感觉运动功能障碍的术前患者的MEG和EMG数据.
  • 分析了三角波,三角波,α,β和马频段的活动.

主要成果:

  • 在德尔塔 (100%),泰达 (100%) 和β (76.9%) 频段的健康参与者中,EMG投射的MEG精确地定位了M1.
  • 精确的M1定位也在两个手术前的患者中实现,其中包括一个EMG模式不规则的患者.
  • 该技术证明了M1的可行性,可以绘制运动频率和其波的上方的M1映射.

结论:

  • 用EMG投射的MEG成像方法非常准确,并且可用于手术前M1映射,即使在有感觉运动缺陷的患者中也是如此.
  • 这种新的技术提供了关于不同频段的运动相关的大脑肌肉合的宝贵见解.
  • 这些发现支持这种先进的成像方法在神经外科规划中的临床实用性.