认知功能与日常身体活动模式之间的方向性
Francesca R Marino1,2,3, Jennifer A Deal2,4, Alden L Gross2,3
1Department of Anatomy & Neurobiology Boston University Chobanian & Avedisian School of Medicine Boston Massachusetts USA.
Alzheimer's & dementia (New York, N. Y.)
|April 14, 2025
概括
更多的体力活动和减少久坐时间与老年人的认知衰退速度较慢有关. 基线认知功能没有预测身体活动模式的变化.
科学领域:
- 老年学是一门学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 身体活动是痴呆症的一个关键可修改的风险因素.
- 认知功能影响参与体育活动.
- 老年人身体活动和认知之间的双向关系需要进一步研究.
研究的目的:
- 评估日常身体活动与认知功能之间的关联的方向性.
- 检查认知功能的变化与随着时间的推移身体活动模式的变化是如何相关的.
- 调查体育活动对老年人认知能力下降的影响.
主要方法:
- 利用巴尔的摩长度老龄化研究 (BLSA) 中237名认知完整的老年人的数据.
- 通过两次访问 (平均1.8年间隔) 通过手腕加速度计测量认知因素得分 (全球认知,记忆,语言,执行功能/注意力,视觉空间处理) 和身体活动.
- 采用双变量潜变得分模型来评估关联的方向性,调整共变量.
主要成果:
- 较高的基线体育活动水平,较长的运动时间和较少的静坐时间与多个领域的年度认知衰退减少有关.
- 相反,基线认知功能得分没有预测体育活动模式的后续变化.
- 活动碎片化也与认知能力下降相反相关.
结论:
- 增加身体运动和减少久坐行为与潜在的认知衰退相关.
- 向减少久坐时间和增加活动持续时间可能是减缓老年人认知衰退的有效策略.
- 促进日常运动和减少久坐行为可能会带来认知效益,并可能减轻痴呆症风险.
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