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双语对衰老,MCI和痴呆症的保护作用:一个基于社区的研究
Aparna Venugopal1,2, Avanthi Paplikar1,3, Feba Anna Varghese1
1Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|February 20, 2024
概括
终身双语显著降低了老年人痴呆和轻度认知障碍 (MCI) 的风险. 这项研究强调了双语在不同社区的认知益处.
科学领域:
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
- 语言学的语言学.
背景情况:
- 终身双语与延迟痴呆症发病有关,但基于社区的证据很少.
- 了解双语对不同人群认知健康的影响至关重要.
研究的目的:
- 调查双语与认知障碍在语言多样化的城市社区的流行之间的关系.
- 评估双语对痴呆症和轻度认知障碍 (MCI) 的保护作用.
主要方法:
- 在2021年1月至12月期间,在印度的城市班加罗尔进行了一项门对门社区研究.
- 1234名年龄在60岁及以上的人被评估为没有认知障碍 (NCI),MCI或痴呆症,使用既定的标准.
主要成果:
- 痴呆症的患病率在双语者 (0.4%) 与单语者 (4.9%) 相比显著较低 (P=.001).
- 轻度认知障碍 (MCI) 的患病率在双语者 (5.3%) 与单语者 (8.5%) (P=.001) 中也较低.
- 与单语同行相比,没有认知障碍的双语个体表现出优越的认知功能,即使控制了混因素.
结论:
- 在具有高双语互动的城市环境中,双语对抗认知障碍,包括痴呆症和MCI,具有显著的保护作用.
- 双语独立地提高了老年人的一般认知表现,无论健康的社会决定因素.
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