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首页> 外文期刊>Neuropsychology >Differing Effects of Education on Cognitive Decline in Diverse Elders With Low Versus High Educational Attainment
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Differing Effects of Education on Cognitive Decline in Diverse Elders With Low Versus High Educational Attainment

机译:教育程度低与教育水平高的多元化老年人对认知能力下降的不同影响

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Objective: In light of growing debate over whether and how early life educational experiences alter late-life cognitive trajectories, this study sought to more thoroughly investigate the relationship between educational attainment and rates of late-life cognitive decline in a racially, ethnically, and educationally diverse population. Method: Older adults (N = 3,435) in the community-based Washington Heights-Inwood Columbia Aging Project were administered neuropsychological tests of memory, language, visuospatial function, and processing speed at approximate 24-month intervals for up to 18 years. Second-order latent growth curves estimated direct and indirect (through income) effects of educational attainment on rates of global cognitive decline separately in individuals with low (0-8 years) and high (9-20 years) educational attainment. Results: More years of education were associated with higher cognitive level and slower cognitive decline in individuals with low or high educational attainment. The association between having more than 9 years of education and exhibiting slower cognitive decline was fully mediated by income. Although having additional years of education up to 8 years was also associated with higher income, this did not explain associations between education and cognitive change in the low-education group. Conclusions: Early education (i.e., up to 8 years) may promote aspects of development during a sensitive period of childhood that protect against late-life cognitive decline independent of income. In contrast, later education (i.e., 9 years and beyond) is associated with higher income, which may influence late-life cognitive health through multiple, nonmutually exclusive pathways.
机译:目的:鉴于关于早期教育经历是否以及如何改变晚期认知轨迹的争论日益增多,本研究旨在更彻底地调查种族,种族和教育程度中教育程度与晚期认知下降率之间的关系。人口多样化。方法:以社区为基础的华盛顿高地因伍德伍德哥伦比亚老龄化项目中的老年人(N = 3,435)以大约24个月的间隔进行记忆,语言,视觉空间功能和处理速度的神经心理学测试,长达18年。二阶潜伏增长曲线分别估计了受教育程度低(0-8岁)和高教育水平(9-20岁)的个人受教育程度对全球认知下降率的直接和间接(通过收入)影响。结果:受教育程度较低或较高的人,受教育年限与较高的认知水平和较慢的认知能力下降有关。受过9年以上教育与认知能力下降较慢之间的关联完全由收入来调节。尽管受教育年限最长可达8年也与较高的收入有关,但这并不能解释低学历群体中教育与认知变化之间的关联。结论:早期教育(即长达8年)可能会在儿童的敏感时期促进发育方面的发展,从而防止与收入无关的晚年认知能力下降。相反,以后的教育(即9岁及以上)与较高的收入相关,这可能通过多种非互斥的途径影响晚年的认知健康。

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