Impaired Cognitive Function is Associated with Motor Function and Activities of Daily Living in Mild to Moderate Alzheimer's Dementia

Author(s): GyuChang Lee*

Journal Name: Current Alzheimer Research

Volume 17 , Issue 7 , 2020


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Abstract:

Background: The deterioration of cognitive and motor functions and activities of daily living is common in Alzheimer's dementia.

Objectives: The purpose of this study was to investigate the correlation and the strength of the relationship between cognitive function and motor function and activities of daily living after a diagnosis of Alzheimer's disease dementia.

Methods: Sixty-three patients with mild to moderate Alzheimer's disease dementia in a community setting of South Korea were examined for cognitive and motor functions, and functional levels. The test or measures used for cognitive function were the Mini-Mental State Examination (MMSE), Global Deterioration Scale (GDS), and Clinical Dementia Rating (CDR). The 10-meter walking test (10MWT), Berg Balance Scale (BBS), and Timed Up and Go Test (TUG) were used to examine motor function, while the Modified Barthel Index (MBI) and Katz Index (KI) were used to examining activities of daily living.

Results: The MMSE had a positive correlation with that from the BBS (r=.338, p<.05), MBI (r=.363, p<.05), and KI (r=.276, p<.05). The GDS was negatively correlated with BBS (r=.319, p<.05). Multivariate regression analysis showed that MMSE was a major explanatory variable for BBS (R2 =.115, β=.338, p<.05) MBI (R2 =.131, β=.363, p<.05), and KI (R2 =.076, β=.276, p<.05).

Conclusion: The results of the present study show that cognitive function by MMSE is correlated with balance by BBS and activities of daily living by MBI and KI, and MMSE, which are tests or measures for cognitive function, can be explanatory variable to explain variations in the BBS, MBI, and KI in the persons with mild to moderate Alzheimer’s dementia. It may mean that a decrease in cognitive function was found to affect motor function and activities of daily living. Based on this study, appropriate intervention approaches including physical exercise, should be considered for caring for persons with mild to moderate Alzheimer’s dementia in a community setting.

Keywords: Dementia, Alzheimer, cognitive function, motor function, activities of daily living, correlation.

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Article Details

VOLUME: 17
ISSUE: 7
Year: 2020
Published on: 16 November, 2020
Page: [680 - 686]
Pages: 7
DOI: 10.2174/1567205017666200818193916
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