公共卫生 公共卫生
Kelsey R Sewell1, Audrey M Collins2, Jeremiah J Peiffer3
1Advent Health, Orlando, FL, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
身体活动可以改善认知功能,特别是在睡眠不佳的老年人中. 运动干预措施对基线睡眠效率较低的个体显示出更大的认知益处,这表明身体活动的补偿作用.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 生活方式 医学 医疗
背景情况:
- 身体活动和睡眠对大脑健康至关重要,并表现出双向关系.
- 很少有研究检查睡眠和体力活动对老年人认知功能的综合影响.
- 生活方式干预措施,如运动,对与睡眠有关的认知的影响仍然未得到充分研究.
研究的目的:
- 为了研究睡眠和体力活动之间的相互作用,影响老年人的认知功能.
- 为了确定身体活动是否能缓和睡眠质量与认知表现之间的关系.
- 评估基线睡眠质量是否影响运动干预对认知改善的有效性.
主要方法:
- 一项横截面研究分析了来自589名健康老年人的数据,使用动图和匹兹堡睡眠质量指数 (PSQI) 测量睡眠和身体活动.
- 一项随机对照试验涉及89名认知不受损的老年人,研究了基线睡眠对运动诱导的认知变化在6个月的监督运动计划中的影响.
- 认知功能在五个领域进行了评估,包括情节性记忆,处理速度,执行功能/注意力控制和工作记忆.
主要成果:
- 适度至强烈的体力活动缓和了睡眠效率和多个认知领域 (情节性记忆,处理速度,执行功能,工作记忆) 之间的关联.
- 轻度体力活动缓和了睡眠开始后觉醒 (WASO) 与执行功能/注意力控制和处理速度之间的联系.
- 在运动干预后,基线睡眠效率较差的老年人表现出在情节性记忆中最显著的改善.
结论:
- 身体活动和睡眠在影响老年人的认知功能方面有显著的相互作用.
- 运动干预措施对认知增强的有效性可能取决于个人的睡眠质量.
- 身体活动似乎可以减轻睡眠不足对认知表现的一些有害影响.
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