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首次在人体上进行高分辨率皮质绘图的经验,使用包含1024个电极的新型微电极阵列.

Peter Konrad1, Kate R Gelman1, Jesse Lawrence2

  • 1Department of Neurosurgery, West Virginia University, Morgantown, WV, United States of America.

Journal of neural engineering
|January 27, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了微电皮质谱,一种新的大脑绘图工具,显示它可以精确地定位手术期间的大脑功能. 这项技术提供了更高的分辨率,用于在患有脑瘤的患者中绘制雄辩的大脑区域.

关键词:
这是一个ECoG.大脑 计算机 接口中央硫的定位位置功能地图绘制功能地图绘制语言映射语言映射这是一个微型ECoG.

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科学领域:

  • 神经科学是一个神经科学.
  • 医疗技术 医疗技术 医学技术
  • 电子生理学 电子生理学

背景情况:

  • 精确的脑功能定位在临床神经科学中至关重要,但解剖学变异和障碍使传统方法复杂化.
  • 现有的功能神经解剖学依赖于结构性地标,这些地标可能与实际的功能区域不一致,特别是在脑组织改变的患者中.
  • 神经活动与认知和行为的精确相关性是个性化诊断和治疗所必需的.

研究的目的:

  • 评估新型1024通道微电皮质谱 (micro-ECoG) 阵列的可行性和临床实用性,用于手术内功能性大脑映射.
  • 评估micro-ECoG在提供神经外科手术过程中神经活动的高分辨率空间和时间映射方面的性能.
  • 探索微-ECoG在进行脑瘤切除的患者中绘制运动和语言功能的应用.

主要方法:

  • 进行了一项首次在人身上进行的研究,涉及8名脑瘤患者,需要切除雄辩的大脑区域.
  • 在标准电生理学程序中使用了具有1024表面微电极的新型薄膜阵列,用于同时进行微ECoG映射.
  • 使用体感唤起潜能 (SSEP) 和清醒语言映射进行了运动映射,将结果与传统技术进行比较.

主要成果:

  • 与传统方法相比,Micro-ECoG成功地绘制出具有更高空间分辨率 (0.4毫米) 的功能区域,并将SSEP相位逆转确定为轮.
  • 在布罗卡的区域,微ECoG揭示了高振幅β频段活动之前的语音发音,与语言规划相关联.
  • 已经证明能够在手术内捕捉与特定的认知和运动任务相关的详细神经活动模式.

结论:

  • 微电皮质谱是一种可行的技术,用于在手术期间绘制脑图.
  • 微ECoG的高分辨率映射功能为神经外科规划和执行提供了潜在的临床实用性.
  • 这项技术增强了功能性大脑区域的系统皮质映射,提高了患者护理的精度.