背前运动皮层在联合行动抑制中的作用
Elisa Dolfini1, Pasquale Cardellicchio2,3, Luciano Fadiga4,2
1Department of Neurosciences and Rehabilitation Section of Physiology, Università di Ferrara, Via Fossato di Mortara, 17-19, 44121, Ferrara, Italy. dlflse@unife.it.
Scientific reports
|February 26, 2024
概括
行为协调依赖于抑制控制. 前运动皮层刺激显示,只有缓慢的抑制机制,可能反映适应,在联合行动期间被调节.
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
- 社会认知是指社会认知.
背景情况:
- 人际协调或联合行动 (JA) 需要精确的时间和空间行动谈判.
- 抑制控制对于完善协调反应至关重要,但其在JA和前运动区域调制中的作用仍未得到充分研究.
研究的目的:
- 调查运动抑制在联合行动中的作用.
- 检查前运动区域对交互任务期间抑制控制的调节影响.
主要方法:
- 使用交互式伸手和打开瓶子的任务,比较条件与一个协作者 (JA) 与一个副 (没有JA).
- 测量了基于跨磁刺激 (TMS) 的两个抑制指数:短间隔的皮质内抑制 (sICI) 和皮质静止期 (cSP).
- 在线运用连续的Tha爆发刺激 (cTBS) 到背前运动皮质 (PMd),腹前运动皮质 (PMv) 和顶部 (控制部位).
主要成果:
- 在JA期间确认了快速 (GABAa介导) 和缓慢 (GABAb介导) 抑制之间的分离.
- 证明前运动区域在JA期间只能调节缓慢的抑制机制.
- 探索性分析表明,PMd比PMv更大,在社会互动背景下显著影响运动适应.
结论:
- 前运动皮层影响缓慢的抑制控制,这可能是联合行动中的行为适应的基础.
- 背部前运动皮质 (PMd) 似乎对于根据社会交互背景调整运动至关重要.
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