Geriatrics, Volume 7, Issue 4
August 2022 - 15 articles
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Cover Story: As people live longer, the incidence of dementia and its preceding stages (subjective cognitive decline (SCD) and mild cognitive impairment (MCI)) is increasing. Therefore, there is an urgent need to develop brief screening tests to detect early stage cognitive impairment for timely intervention. Figure drawing tests are commonly used to detect cognitive impairment. We investigated the classification accuracy of three common drawing tasks—the overlapping infinity loops, wire cube and the clock drawing task (CDT)—for discriminating SCD, MCI and dementia from a cognitively normal (CN) group of older adults. The CDT was the most discriminatory and could distinguish dementia and cognitive impairment (MCI and dementia) from CN; the wire cube also discriminated dementia from CN. The infinity loops were not able to discriminate between any group. View this paper