身体活动与整个生命周期的行为和神经变化有关
G Vinodh Kumar1, Simon Lacey2, K Sathian3
1Department of Neurology, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033-0859, USA.
Neuroscience letters
|June 30, 2023
概括
较高的体力活动与阿尔法频段的神经同步减少以及整个寿命的视觉运动技能改善有关. 这项研究强调了活跃的生活方式如何影响大脑功能和连接.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 衰老研究研究 衰老研究
背景情况:
- 身体活动对大脑健康有好处,但它对休息状态功能连接 (rsFC) 和复杂任务执行的年龄影响尚未完全理解.
- 研究这些跨生命周期的关系对于理解大脑可塑性和衰老至关重要.
研究的目的:
- 使用磁脑成像 (MEG) 和功能磁共振成像 (fMRI) 检查身体活动水平和rsFC模式之间的关联.
- 确定身体活动与执行功能和视觉运动适应性在不同年龄组之间的关系.
- 澄清身体活动在调节神经振荡和整个生命中的网络连接中的作用.
主要方法:
- 来自剑桥衰老和神经科学中心 (Cam-CAN) 存储库的大型基于人口的样本 (N=540) 的分析.
- 从MEG和fMRI数据中得出的rsFC测量与自我报告的体力活动水平的相关性.
- 评估与体力活动和神经成像发现有关的执行功能和视觉运动适应性能.
主要成果:
- 每日增加的体力活动与阿尔法频段 (8-12 Hz) 的全球连贯性较低相关,这表明神经同步减少.
- 身体活动影响了静止状态功能网络之间的连接性,尽管在多次比较校正后,对个别网络的影响没有达到统计学意义.
- 更多的体育活动与所有年龄组的视觉运动适应性表现的提高有关.
结论:
- 来自MEG和fMRI的休息状态功能连接度量对大脑对身体活动的反应敏感.
- 身体活跃的生活方式会影响整个生命周期的神经功能和认知表现的各个方面.
- 这些发现强调了身体活动对于维持老年人群大脑健康和功能的重要性.
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