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Current Alzheimer Research

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ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

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Research Article

Education, APOE ε4, and Cognition in Individuals with Subjective Cognitive Decline with Worry in the SILCODE Study

Author(s): Guanqun Chen, Li Lin, Kun Yang and Ying Han*

Volume 18, Issue 6, 2021

Published on: 30 September, 2021

Page: [492 - 498] Pages: 7

DOI: 10.2174/1567205018666211001105425

Price: $65

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Abstract

Background: Education could offer a protective effect on cognition in individuals with Subjective Cognitive Decline (SCD), which is considered to be the early stage of Alzheimer’s Disease (AD). However, the effect of education on cognition in SCD individuals with SCD-plus features is not clear.

Objective: The aim of the study was to explore the effect of education on cognition in SCD individuals with SCD-plus features.

Methods: A total of 234 individuals with SCD were included from the Sino Longitudinal Study on Cognitive Decline (SILCODE). Cognition was assessed across 4 domains (memory, executive, language, and general cognitive functions). Multiple linear regression models were constructed to examine the effect of education on cognitive scores in individuals without worry (n=91) and with worry (n=143). Furthermore, we assessed differences in effects between APOE ε4 noncarriers and APOE ε4 carriers in both groups.

Results: Multiple linear regression analysis showed a positive effect of education on memory, executive, and language cognition in individuals without worry and all cognitive domains in individuals with worry. Furthermore, we found a positive effect of education on executive cognition in APOE ε4 noncarriers without worry and language and general cognition in APOE ε4 carriers without worry. Meanwhile, education had a positive effect on all cognitive domains in APOE ε4 noncarriers with worry and executive, language, and general cognition in APOE ε4 carriers with worry.

Conclusion: This study indicates that education has the potential to delay or reduce cognitive decline in SCD individuals with SCD-plus features.

Keywords: Alzheimer's disease, subjective cognitive decline, education, cognitive reserve, apolipoprotein E, prevention.

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