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Meta-Analysis of Correlation Between Subjective and Objective Cognitive-Linguistic Tests : Focused on Normal Aging, MCI, and Dementia
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 Title & Authors
Meta-Analysis of Correlation Between Subjective and Objective Cognitive-Linguistic Tests : Focused on Normal Aging, MCI, and Dementia
Lee, Mi-Sook;
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Subjective cognitive-linguistic complaints in older adults contribute to the diagnostic and prognostic investigation of MCI or dementia. However, the utility of subjective test for predicting cognitive-linguistic decline is controversial. Few domestic studies have included the correlation between subjective and objective tests systematically. The current study analyzed 26 studies published since 2000, and the effect sizes of their correlation coefficients between two tests were computed. The results of qualitative analysis indicated that the number of subjects ranged from 26 to 657. Subjective tests included the self-report 75.4% and the informant-report 24.6%. In objective tests, memory comprised the largest proportion, followed by global cognition, and language, etc. As a result of meta-analysis, self-report test had the predictive value for dementia, and informant-report test contributed to discriminate among 3 groups. In the elderly group, self-report test was correlated with reasoning, and informant-report test with memory and language. In MCIs, self-report test predicted several abilities including language, and informant-report test signaled the future decline of domains like global cognition. Two types of subjective tests in dementia also represented memory, language, and global cognition accurately. This study provides evidence-based information to support relationships between subjective and objective tests for cognitive-linguistic ability in 3 groups.
Cognitive-linguistic Complaints;Subjective Test;Objective Test;Self-report;Informant-report;Meta-analysis;
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정상 노년층의 인지-언어 능력에 대한 주-객관적 평가 간 상관성,이미숙;

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