低强度有氧运动对引起增强的头顶激活和促进执行功能的急性影响大于中等强度运动
Shen Lingling1, Chen Huaqing1, Li Xuan1
1Department of Rehabilitation Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
Frontiers in physiology
|September 3, 2025
概括
低强度有氧运动 (LAE) 比中等强度运动更有效地增强执行功能和大脑连接. 运动期间的步伐长度和皮质功能连接预测认知能力的改善,突出了LAE
科学领域:
- 神经科学
- 运动生理学
- 认知科学
背景情况:
- 有氧运动的强度会影响认知功能和大脑活动.
- 对于认知增强的最佳运动强度尚不清楚.
研究的目的:
- 研究低强度和中强度有氧运动 (LAE/MAE) 对健康年轻人的认知,步态和大脑动态的影响.
主要方法:
- 49名参与者被分为拉伸 (SE),LAE或MAE组.
- 在运动前后评估认知功能,皮质激活 (fNIRS) 和步行参数.
主要成果:
- LAE显著改善了Stroop任务反应时间,并降低了皮质脱氧血红蛋白水平.
- 较大的步伐长度与更好的反应时间相关;功能连接预测了认知效益.
- LAE增强了头皮皮层的功能连接,将M1与其他大脑区域联系起来.
结论:
- 优化头部功能连接和执行速度.
- 脚步的长度和皮质功能连接预测了运动后的认知增长.
- 这些发现有助于我们更好地了解运动对大脑健康,运动学习和皮质可塑性的影响.
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