不同的神经模式在感觉运动皮层中携带有关抓取力和阶段的信息
bioRxiv : the preprint server for biology
|February 12, 2026
概括
研究人员在试图抓住时确定了四肢患者的运动和感觉皮层中独特的神经活动模式或模式. 这些神经模式编码力量信息,并可用于通过大脑-计算机接口恢复手部功能.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 康复工程 康复工程
背景情况:
- 由于对神经控制的理解有限,在脊髓损伤后恢复灵巧的手部功能具有挑战性.
- 感觉运动皮层的动力学对于抓取过程中精确的力调节至关重要.
研究的目的:
- 在四肢患者试图对同位体抓握时,调查运动和体感皮层的神经活动模式.
- 在静态和动态抓取任务中识别神经模式,以提供力量时间和大小的信息.
主要方法:
- 从运动和体感皮层记录神经活动,使用皮层内微电极阵列.
- 分析了人口层面的神经活动,以确定不同的神经模式.
- 与任务阶段相关的神经模式 (开始,偏移,保持,强力提升).
主要成果:
- 运动和体感皮质的神经活动在试图抓住时被调节,尽管.
- 确定了编码力时间和大小的独立神经模式.
- 观察到静态 (持有) 和动态 (变化) 力量条件的不同神经模式.
结论:
- 存在不同的神经模式来维持和改变握力.
- 这些原生神经模式可以为皮质内脑计算机接口 (iBCI) 的设计提供信息.
- 利用这些模式可能有助于在神经损伤后恢复灵巧的手部功能.
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