临床表现 临床表现
Riya Chaturvedi1, Sophia L Holmqvist1, Marina Kaplan1
1Temple University, Philadelphia, PA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
睡眠,情绪和压力的更大变化与日常认知的波动有关. 增加体力活动和一致的睡眠/情绪是维持认知健康的关键可修改因素.
科学领域:
- 老年学是指老年学的学科.
- 认知神经科学 认知神经科学
- 数字健康数字健康
背景情况:
- 睡眠和日常压力的个体内变化 (IIV) 是已知的主观认知能力下降的相关因子.
- 使用生态瞬间评估 (EMA) 和智能手表,情绪,身体活动和主观认知的日常波动之间的IIV之间的关系仍然不太被探索.
研究的目的:
- 研究由EMA和智能手表测量的可修改风险因素 (体力活动,睡眠,压力,情绪) 与主观认知的日常波动的关系.
- 评估EMA与智能手表衍生的身体活动和睡眠时间指标之间的一致性.
主要方法:
- 55名老年人 (认知健康或有轻度认知障碍) 参与了这项研究.
- 参与者佩戴智能手表30天,并每天通过智能手机完成EMA调查.
- 收集的数据包括睡眠时间,身体活动 (步骤,运动时间),压力,情绪和主观认知.
主要成果:
- 睡眠持续时间 (EMA) 的更高IIV与主观认知 (p=.045) 和智能手表睡眠持续时间 (p=.041) 的更高IIV相关.
- 较高的日常压力 (p=.003) 和较高的情绪IIV (p=.012) 与主观认知的IIV增加有关.
- 增加体力活动 (EMA运动) 与更高的每日步数 (p<.001) 和主观认知的较低的IIV (p=.037) 有关.
结论:
- 不一致的睡眠,增加的压力,减少的体力活动和情绪变化与主观认知的日复一日更大的波动有关.
- 欧洲药物管理局和智能手表的测量结果显示,身体活动和睡眠之间存在一致性.
- 情绪和睡眠的规律性,以及增加的运动,被强调为认知健康的关键可修改因素,并可能减轻认知衰退.
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