复杂的运动任务中的运动学习不受连续三天的跨交替电流刺激的影响
Erik W Wilkins1,2, Milan Pantovic3, Kevin J Noorda4
1Department of Kinesiology and Nutrition Sciences, University of Nevada-Las Vegas, Las Vegas, NV 89154, USA.
Bioengineering (Basel, Switzerland)
|August 29, 2024
概括
向主要运动皮质 (M1) 进行多天的横交替电流刺激 (tACS) 没有比单独练习更能改善复杂的抛物任务的运动学习. 运动皮层刺激性也没有显著的群体差异.
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 康复 康复 康复
背景情况:
- 超交替电流刺激 (tACS) 可以通过增加皮层刺激性和诱导神经活动来增强简单任务中的运动学习.
- 对于复杂的运动技能的获得,特别是多个会话的tACS的有效性,仍然不太了解.
研究的目的:
- 调查M1 tACS连续三天对年轻成年人挑战性投任务对运动学习的影响.
- 评估M1 tACS在运动技巧练习期间对初级运动皮层 (M1) 刺激性的影响.
主要方法:
- 一个双盲的,随机的,SHAM控制的,受试者之间的设计与24名健康的年轻成年人一起使用.
- 参与者进行了三次实验性练习,包括与M1 tACS或SHAM刺激同时进行空手投练习.
- 运动学习通过投的终点误差量化,并通过TMS使用运动唤起潜力 (MEP) 测量M1刺激性.
主要成果:
- 总的来说,终点误差从前测试到后测试在两组都显著下降,表明发生了运动学习.
- 在tACS和SHAM组之间没有观察到终点误差减少的统计学上显著差异.
- 从测试前到测试后,MEP幅度有所增加,但在tACS和SHAM组之间,这种变化没有显著差异.
结论:
- 在多天内将tACS应用于主运动皮质并不能显著增强复杂运动任务的运动学习,仅仅是练习的影响.
- 在这个复杂的运动学习任务的背景下,tACS与SHAM刺激相比,并没有导致M1兴奋度的更大变化.
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