对技术使用和认知衰老的元分析
Jared F Benge1,2, Michael K Scullin3
1Department of Neurology, University of Texas at Austin, Austin, TX, USA. jared.benge@utexas.edu.
Nature human behaviour
|April 14, 2025
概括
老年人使用数字技术与认知能力下降和痴呆症的风险较低有关. 这表明,技术可能会建立一个"技术储备",以保持认知功能.
科学领域:
- 老年学和认知神经科学
- 数字健康与衰老研究
背景情况:
- 第一代数字技术用户现在正进入老年期,这是痴呆症风险增加的时期.
- 讨论了终身技术暴露对认知的影响,其中包括"数字痴呆症" (有害) 与"技术储备" (有益) 的假设.
研究的目的:
- 系统地审查和元分析现有关于数字技术使用与老年人认知健康之间的联系的研究.
- 测试数字痴呆症假设与技术储备假设的对比.
主要方法:
- 观察性和队列研究的系统审查和元分析.
- 在多个数据库中进行了搜索 (Medline,PsycInfo,CINAHL等). 对50岁以上的成年人进行认知或痴呆结局的研究.
- 包括136篇论文,其中57篇适合进行元分析,包括411,430名参与者.
主要成果:
- 数字技术的使用与认知障碍的风险显著降低有关 (几率比=0.42).
- 数字技术的使用与随着时间的推移降低认知能力下降率有关 (危险比率=0.74).
- 在控制人口,社会经济,健康和认知储备因素后,这些保护作用仍然存在.
结论:
- 研究结果支持"技术储备"假设,表明使用数字技术可能会在老年人中保持认知功能.
- 高质量的研究一致地复制了这些积极的关联.
- 需要进一步的研究来探索因果关系,潜在的机制,以及特定技术类型和暴露时间的影响.
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