额叶皮层的动力学在运动规划期间在多个时间尺度上展开
R O Affan1, I M Bright2, L N Pemberton2
1Graduate Program in Neuroscience, Boston University, Boston, MA.
bioRxiv : the preprint server for biology
|February 19, 2024
概括
前额运动皮层的神经回路在运动规划过程中表现出不同的时间动态. 这种活动有助于准确地预测计划运动的时间,这表明大脑有共同的记忆和计划机制.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 发动机控制器的控制器
背景情况:
- 大脑处理时间用于记忆回忆和未来规划.
- 目前尚不清楚动力规划电路是否使用类似的时间动态.
- 了解运动规划中的时间处理至关重要.
研究的目的:
- 在运动规划过程中调查前部运动皮层神经活动的时间动态.
- 为了确定神经活动模式是否能预测运动时间.
- 探索时间信息处理的共享机制.
主要方法:
- 分析来自前额运动皮质的公开可用的神经活动数据.
- 在计划运动之前的延迟间隔中检查神经元反应.
- 评估集体神经活动的时间预测准确性.
主要成果:
- 个体神经元在运动计划延迟期间表现出不同的升级活动.
- 集体神经活动改善了随着运动接近的时间预测准确性.
- 神经表现从稳定到动态,反映了运动时间.
结论:
- 脑前部运动皮层中的神经活动在运动规划期间在多个时间尺度上展开.
- 这些发现表明,在记忆和计划中处理时间信息的共同神经机制.
- 大脑可能利用共享电路来编码过去事件和未来行动的时间.
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