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Association between Subjective Memory Complaints and Objective Cognitive Functions in The Elderly

Abstract

This study aimed to investigate a association between subjective memory complaints and objective cognitive functions in the elderly. Initially, 114 elderly participants living in the local community completed various neuropsychological assessments and a clinical Dementia Rating. A total of 73 elder people were classified into three groups (normal, amnestic mild cognitive impairment, early dementia of Alzheimer's type). Subsequently, differences in subjective memory complaints between the three groups were examined using the Memory Functioning Questionnaire (MFQ), Prospective and Retrospective Memory Questionnaire (PRMQ) through the elderly and Korean Dementia Screening Questionnaire (KDSQ) through their care-givers. Differences in subjective memory complaints were analyzed using ANCOVA analysis after correcting for demographic variables. The KDSQ and both the PRMQ-P and PRMQ-R were significantly able to discriminate between the MCI and early dementia groups and normal and early dementia groups. This result demonstrate the presence of significant differences in subjective memory complains according to objective cognitive functions.

keywords
subjective memory complaint, mild cognitive impairment, dementia, 주관적 기억문제 호소, 경도인지장애, 치매, 인지기능

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