补充运动区域作为一个灵活的枢纽,在运动序列学习中调解行为和神经可塑性变化:TMS和TMS-EEG研究
Jing Chen1,2,3, Yanzi Fan1,2,3, Xize Jia1
1Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, 311121, China.
Neuroscience bulletin
|March 13, 2025
概括
刺激适当的补充运动区域 (SMAp) 通过改善大脑通信和神经可塑性来增强运动序列学习 (MSL). 这一发现对于运动康复策略至关重要.
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
- 大脑刺激 大脑刺激
背景情况:
- 运动序列学习 (MSL) 对于日常活动至关重要.
- 已经探索了重复性横磁性刺激 (rTMS) 调节MSL.
- 对于MSL神经可塑性的最佳刺激目标仍然不清楚.
研究的目的:
- 为了比较左侧主要运动皮层 (M1) 与左侧补充运动区域适当 (SMAp) 刺激对MSL的疗效.
- 为了研究不同MSL复杂性和手侧面性对神经可塑性的影响.
- 阐明MSL调制背后的神经机制.
主要方法:
- 间歇性甲突破刺激 (iTBS) 应用于左M1或SMAp.
- 同时进行脑电图 (EEG) 和跨磁刺激 (TMS) 记录.
- 通过不同复杂度和双边手动使用来评估MSL表现.
主要成果:
- SMAp刺激显著调节了支持MSL的神经通信.
- 通过SMAp进行的iTBS促进了区域大脑激活和神经合.
- 在SMAp刺激后观察到增强的半球间连接性.
- 左M1刺激对MSL和神经可塑性的影响较小.
结论:
- 补充运动区域本身 (SMAp) 是调节运动序列学习 (MSL) 和相关的神经可塑性的关键目标.
- SMAp刺激通过改善大脑激活和半球间通信来增强MSL.
- 这些发现为优化运动康复提供了潜力,特别是对于中风后患者.
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