Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.11861/7139
Title: | Stability of montreal cognitive assessment in individuals with mild cognitive impairment: potential influence of practice effect |
Authors: | Lei, Lauren K. S. Dr. LAM Yin-Hung, Bess Lai, Daniel W. L. Bai, Xue Li, Jessica Zou, Zhi Chan, Chetwyn C. H. |
Issue Date: | 2022 |
Source: | Journal of Alzhelmer's Disease, 2022, vol. 87(3), pp. 1401-1412. |
Journal: | Journal of Alzhelmer's Disease |
Abstract: | Background: The Montreal Cognitive Assessment (MoCA) is a standard test for screening and monitoring cognitive functions. Objective: This study explored the two-year changes in MoCA scores in older adults. Methods: Fifty-seven participants with mild cognitive impairment (MCI) and 87 participants with normal cognition completed the baseline and two-year follow-up assessments. Apart from MoCA, tests on visuospatial judgment, memory, and motor-related executive function were administered. Results: The results identified three MCI subgroups based on the differential changes in MoCA scores. They were the consistently low, consistently high, and low-to-high between-time performances. These heterogeneous test performances are on contrary to the significant deteriorations in executive function and finger dexterity across all subgroups. Repeated exposure to MoCA tests during the follow-up period was found to be a plausible indicator of the MCI subgroup categorization. Conclusion: Findings raise concerns over adopting brief clinical instrument for repeated testing, such as MoCA, for monitoring MCI conditions among older adults. |
Type: | Peer Reviewed Journal Article |
URI: | http://hdl.handle.net/20.500.11861/7139 |
ISSN: | 1387-2877 |
DOI: | 10.3233/JAD-220003 |
Appears in Collections: | Counselling and Psychology - Publication |
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