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Higher education affects accelerated cortical thinning in Alzheimer's disease: a 5-year preliminary longitudinal study

Authors
 Hanna Cho  ;  Seun Jeon  ;  Changsoo Kim  ;  Byoung Seok Ye  ;  Geon Ha Kim  ;  Young Noh  ;  Hee Jin Kim  ;  Cindy W Yoon  ;  Yeo Jin Kim  ;  Jung-Hyun Kim  ;  Sang Eon Park  ;  Sung Tae Kim  ;  Jong-Min Lee  ;  Sue J. Kang  ;  Mee Kyung Suh  ;  Juhee Chin  ;  Duk L. Na  ;  Dae Ryong Kang  ;  Sang Won Seo 
Citation
 INTERNATIONAL PSYCHOGERIATRICS, Vol.27(1) : 111-120, 2015 
Journal Title
 INTERNATIONAL PSYCHOGERIATRICS 
ISSN
 1041-6102 
Issue Date
2015
MeSH
Aged ; Alzheimer Disease*/diagnosis ; Alzheimer Disease*/psychology ; Atrophy ; Brain Mapping/methods ; Cerebral Cortex/pathology* ; Diagnostic and Statistical Manual of Mental Disorders ; Disease Progression ; Educational Status* ; Female ; Humans ; Magnetic Resonance Imaging/methods ; Male ; Middle Aged ; Neuropsychological Tests ; Statistics as Topic
Keywords
education ; cortical thickness ; Alzheimer’s disease ; cognitive reserve theory
Abstract
BACKGROUND: Epidemiological studies have reported that higher education (HE) is associated with a reduced risk of incident Alzheimer's disease (AD). However, after the clinical onset of AD, patients with HE levels show more rapid cognitive decline than patients with lower education (LE) levels. Although education level and cognition have been linked, there have been few longitudinal studies investigating the relationship between education level and cortical decline in patients with AD. The aim of this study was to compare the topography of cortical atrophy longitudinally between AD patients with HE (HE-AD) and AD patients with LE (LE-AD). METHODS: We prospectively recruited 36 patients with early-stage AD and 14 normal controls. The patients were classified into two groups according to educational level, 23 HE-AD (>9 years) and 13 LE-AD (≤9 years). RESULTS: As AD progressed over the 5-year longitudinal follow-ups, the HE-AD showed a significant group-by-time interaction in the right dorsolateral frontal and precuneus, and the left parahippocampal regions compared to the LE-AD. CONCLUSION: Our study reveals that the preliminary longitudinal effect of HE accelerates cortical atrophy in AD patients over time, which underlines the importance of education level for predicting prognosis.
Full Text
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9462139&previous=true&jid=IPG&volumeId=27&issueId=01
DOI
10.1017/S1041610214001483
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Soo(김창수) ORCID logo https://orcid.org/0000-0002-5940-5649
Ye, Byoung Seok(예병석) ORCID logo https://orcid.org/0000-0003-0187-8440
Cho, Hanna(조한나) ORCID logo https://orcid.org/0000-0001-5936-1546
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/139404
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