通过皮随机噪声刺激和通过皮直流刺激对男性和女性运动性能的影响的比较:随机控制的交叉研究
Elchanan Frankel1, Jason Friedman2,3, Silvi Frenkel-Toledo1,4
1Department of Physical Therapy, School of Health Sciences, Ariel University, Ariel, Israel.
Frontiers in human neuroscience
|August 27, 2025
概括
间随机噪声刺激 (tRNS) 可以提高运动性能,显示出运动时间和峰值速度的改善. 这种非侵袭性脑刺激技术,与直流刺激 (tDCS) 一起,没有显示出基于性别的显著效果差异.
科学领域:
- 神经科学
- 发动机控制
- 神经调节
背景情况:
- 为了调节运动功能,研究了跨直流刺激 (tDCS) 和跨随机噪声刺激 (tRNS) 等非侵入性脑刺激技术.
- 之前研究的不一致性凸显出需要研究影响刺激效果的因素,例如参与者的性别.
研究的目的:
- 为了比较高频tRNS,tDCS和假刺激对健康个体的运动性能的影响.
- 研究对tRNS和tDCS运动反应的潜在性别差异.
主要方法:
- 一个单盲,平衡的交叉试验,涉及30名健康参与者 (15名女性).
- 应用了三种刺激条件:高频tRNS,tDCS和假的,每一个10分钟在1.0mA.
- 参与者在刺激前,刺激期间和刺激后进行了连续的伸手任务,评估了运动性能指标 (运动时间,反应时间,峰值速度).
主要成果:
- 在tRNS,tDCS和假条件之间没有观察到显著的运动性能指标差异.
- 在tRNS之后,内部条件分析显示运动时间和峰值速度的改善,以及所有刺激条件的反应时间的改善.
- 没有发现性别对tRNS或tDCS运动功能的显著影响.
结论:
- 虽然没有任何刺激技术显示出统计学上的优势,但tRNS在特定的运动性能方面显示出适度的增强,这表明有进一步研究的潜力.
- 该研究表明,在这种实验设计中,性别似乎不是调节tRNS和tDCS对运动性能的重要因素.
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