中心中白质连接服务于体认知行动网络
Georgios P Skandalakis1, Luca Viganò2, Clemens Neudorfer3,4,5
1Department of Surgery, Section of Neurosurgery, Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA.
研究人员通过使用体认性行动网络 (SCAN) 确定了体认性行动网络 (SCAN) 的结构基础.
科学领域:
- 神经科学是一个神经科学.
- 神经解剖学是一个神经解剖学.
- 功能神经成像 功能神经成像
背景情况:
- 身体认知行动网络 (SCAN) 对于整合感官和运动信息至关重要.
- 它在运动皮层内的精确结构基质仍然不完全理解.
- 潘菲尔德的运动效应区域和"plis de passage"提供了潜在的解剖相关性.
研究的目的:
- 调查中央的"plis de passage"构成SCAN的结构基础的假设.
- 阐明这些地区的结构和功能连接.
主要方法:
- 对16个人类半球进行微切割,以确定"plis de passage".
- 将"plis de passage"的位置映射到标准的立体空间.
- 对9000个休息状态功能性MRI扫描进行连接的分析.
- 在直接电气中部硫刺激期间的手术内记录.
主要成果:
- 始终确定了一条由三个"plis de passage"组成的链条,其白质量增加.
- 通过使用fMRI确认了这些站点与SCAN的连接.
- 术内刺激确定了与"plis de passage"相对应的相互作用区域.
结论:
- "Plis de passage"为体认性行动网络提供了一个结构基板.
- 这一发现增强了对SCAN结构和功能的理解.
- 在改进运动皮层刺激和外科手术技术方面的潜在应用.
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