经过8周的运动后局部加热并没有改善认知能力和血脑源神经营养因子度
Jem L Cheng1, Geoff B Coombs1,2, Christina Pizzola1
1Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada.
Experimental physiology
|December 13, 2025
概括
八周的运动或局部热量暴露并没有提高年轻人的认知功能. 无论是组合还是单独的干预措施,都没有改善与对照组相比认知测试的表现.
科学领域:
- 运动生理学 运动生理学
- 神经科学是一个神经科学.
- 认知科学是一种认知科学.
背景情况:
- 运动和热应激都可能独立地有益于大脑健康.
- 运动和热量对认知的综合影响尚未得到充分理解.
- 以前的研究表明,这些干预措施有可能提高认知表现.
研究的目的:
- 调查8周的运动后局部加热,被动局部加热或运动训练是否能改善认知表现.
- 为了比较运动 (EX),局部加热 (HEAT) 和热与运动 (HEATEX) 联合对照组 (CON) 的影响.
- 检查这些干预措施对来自大脑的神经营养因子 (BDNF) 水平的影响.
主要方法:
- 60名健康的年轻人 (30名女性) 被随机分为CON,EX,HEAT或HEATEX组.
- 参与者接受了监督的会议,每周3次,持续8周.
- 用数字符号替换任务 (DSST) 和Stroop测试评估认知表现;测量了血BDNF.
主要成果:
- 随着时间的推移,DSST的表现显著改善 (P < 0.001),但没有显著的组效应或时间对组相互作用 (P = 0.089).
- 干预措施对Stroop测试性能或血BDNF度没有显著影响.
- 这些干预措施不足以改善这一群体的认知表现.
结论:
- 八周的运动训练和/或局部加热不足以改善年轻,适度健康的个体的认知表现.
- 无论是单独的还是组合的干预措施都没有证明对认知增强的控制有显著的优势.
- 可能需要进一步的研究来探索这些干预措施的不同持续时间,强度或人群.
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