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相关概念视频

Brain Imaging01:14

Brain Imaging

227
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...
227

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使用深度电极进行功能性大脑映射.

Chie Kamada1, Rei Enatsu1, Seiichiro Imataka1

  • 1Department of Neurosurgery, Sapporo Medical University, Sapporo, Japan.

World neurosurgery
|May 25, 2024
PubMed
概括
此摘要是机器生成的。

深度电极有效地映射大脑功能,在低刺激强度时诱导神经系统症状,而不是体内电极. 这种技术有助于理解深层大脑结构和皮下纤维.

关键词:
大脑绘制地图.深度电极是深度电极.电刺激是一种电气刺激.是一种病.

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科学领域:

  • 神经外科 神经外科
  • 神经学 神经学
  • 神经生理学 神经生理学

背景情况:

  • 功能性大脑映射对于手术至关重要.
  • 深度电极为精确的神经通路刺激提供了潜在的潜力.
  • 了解深层大脑结构和皮下纤维需要先进的绘图技术.

研究的目的:

  • 用深度电极研究由深层结构和下皮层纤维刺激引起的神经症状.
  • 为了比较深度电极所需的刺激强度与体内电极所需的刺激强度.

主要方法:

  • 十七名患有抗药性的患者通过深度电极进行了功能性大脑映射.
  • 应用了电刺激 (50 Hz),扩散张力成像确定了皮下纤维.
  • 对诱导的神经症状的负责任结构和刺激强度进行了评估.

主要成果:

  • 在17名患者中,有11名患者引发神经症状.
  • 在4.0mA的中位值下,opricular和insular刺激引起了症状.
  • 深度电极需要相比下体外电极显著更低的刺激强度.

结论:

  • 深度电极刺激对绘制深层大脑结构和皮层下纤维有效.
  • 与深度电极相比,使用深度电极需要更低的刺激强度.
  • 这种方法提高了手术中功能性大脑映射的精度.