Demographic Effects on Longitudinal Semantic Processing, Working Memory, and Cognitive Speed.

ABSTRACT:

Objectives

To better understand and compare effects of aging and education across domains of language and cognition, we investigated whether (a) these domains show different associations with age and education, (b) these domains show similar patterns of age-related change over time, and (c) education moderates the rate of decline in these domains.

Method

We analyzed data from 306 older adults aged 55-85 at baseline of whom 116 returned for follow-up 4-8 years later. An exploratory factor analysis identified domains of language and cognition across a range of tasks. A confirmatory factor analysis analyzed cross-sectional associations of age and education with these domains. Subsequently, mixed linear models analyzed longitudinal change as a function of age and moderation by e

SUBMITTER: Vonk JMJ 

PROVIDER: S-EPMC7759739 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature