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- W2065366939 abstract "AbstractDiagnosis of Alzheimer's disease (AD) requires evidence of progressive decline in cognitive function. However, many tests used to assess cognitive function suffer from considerable practice effects, reducing their reliability. Several studies have reported that the ability to do two things at once, or dual tasking, is impaired in AD, but unaffected by healthy ageing. The apparent specificity of this impairment suggests that this assessment may be particularly useful in the early diagnosis of AD, but the reliability of this assessment remains unknown. Therefore, this study investigated simultaneous performance of digit recall and tracking tasks across six testing sessions in eight people with AD, eight healthy older adults and eight healthy younger adults. The results found that dual-task performance was unaffected by healthy ageing, but significantly impaired in AD, with no effect of repeated exposure. The absence of any improvements in performance despite increased familiarity with the task's demands suggests that not only is the dual-task assessment well suited for monitoring progression over time, but also that dual tasking involves a specific cognitive function which is impaired in the AD brain.Keywords: Alzheimer's diseaseDual taskPracticeReliabilityAssessment" @default.
- W2065366939 created "2016-06-24" @default.
- W2065366939 creator A5022559553 @default.
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- W2065366939 date "2014-04-30" @default.
- W2065366939 modified "2023-10-11" @default.
- W2065366939 title "No dual-task practice effect in Alzheimer's disease" @default.
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- W2065366939 doi "https://doi.org/10.1080/09658211.2014.908922" @default.
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