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具有更好的心肺呼吸能力的跑步者在单个和炼-执行功能双重任务期间都有更高的前额叶皮质活动:fNIRS研究
Bowen Liu1, Jingxuan Yu1, Jinlong Wu2
1College of Physical Education, Shenzhen University, Shenzhen, China.
Frontiers in physiology
|August 30, 2023
概括
较高的心肺呼吸能力 (CRF) 提高了运动期间的执行功能. 健身个体表现出更快的反应时间和更高的前额叶皮层氧化,表明更好的认知任务表现.
科学领域:
- 运动生理学 运动生理学
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
背景情况:
- 心血管健康 (CRF) 对整体健康和认知功能至关重要.
- 了解CRF如何影响身体炼期间的认知表现是很重要的.
研究的目的:
- 为了研究执行功能和前额叶皮层在运动期间的氧化之间的关系,在年轻的成年人中,具有不同的CRF水平.
- 为了在中等强度运动期间比较业余跑步者和久坐者之间的认知任务表现和大脑活动.
主要方法:
- 招募了28名年轻成年人 (14名业余跑步者,14名久坐运动员).
- 使用估计的最大氧气摄入量评估CRF.
- 参与者在中等强度的运动中完成了Stroop和2-Back任务.
- 使用19通道功能近红外光谱学 (fNIRS) 测量了前额叶皮层氧血球蛋白的变化.
主要成果:
- 两组之间的任务准确性没有显著差异.
- 业余跑者表现出更快的反应时间.
- 在2-Back任务期间,跑步者的左上脊侧前额叶皮层氧化.
结论:
- 运动期间增强的执行功能与更高的CRF有关.
- CRF可能提供一种代谢储备,支持在体育活动期间的认知任务分配.
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