身体活动水平,肌肉强度,工作记忆和老年人认知功能的相关性
Shufan Li1, Peng Wang1, Zhidong Cai2
1School of Physical Education, Shanghai University of Sport, Shanghai, China.
Frontiers in aging neuroscience
|January 1, 2024
概括
身体活动和肌肉力量与老年人更好的工作记忆和认知功能有关. 这条路径强调了干预措施的机会,以支持老年人的认知健康.
科学领域:
- 老年学是一门学科.
- 认知神经科学 认知神经科学
- 运动科学 运动科学
背景情况:
- 认知能力下降是老年人群的一个重大问题.
- 了解影响老年人认知功能的因素对于开发有效干预措施至关重要.
研究的目的:
- 为了研究身体活动水平,肌肉力量,工作记忆和70岁及以上个体的认知功能之间的关联.
- 探索潜在的途径:身体活动 → 肌肉力量 → 工作记忆 → 认知功能.
主要方法:
- 一项涉及120名老年人 (≥70岁) 的横截面研究.
- 评估体育活动 (国际体育活动问卷-简短形式),认知功能 (蒙特利尔认知评估量表),握力和工作记忆 (N-back任务).
- 统计分析包括t测试,奇平方测试,线性回归,皮尔森相关性和ANOVA.
主要成果:
- 超过53%的老年人表现出认知功能障碍.
- 工作记忆性能 (1回正确率) 显著预测了认知功能得分 (R2 = 0.116,p < 0.001).
- 握力与工作记忆正相关,与响应时间负相关;身体活动与握力正相关 (r = 0.559,p < 0.001).
结论:
- 身体活动,肌肉力量,工作记忆和认知功能在老年人中是相互关联的.
- 路径 身体活动 → 肌肉力量 → 工作记忆 → 认知功能 为认知研究提供了一个框架.
- 在社区环境中整合体育活动和力量评估可以帮助识别和预防认知衰退.
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