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    Factors affecting neuropsychological assessment in a group of South Asian older adults

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    PhD Thesis (3.114Mb)
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    Publication date
    2021
    Author
    Parveen, F. Choudhry
    Supervisor
    Walters, Elizabeth R.
    Lesk, Valerie E.
    Keyword
    South Asian older adults
    Cognition
    Alzheimer’s disease
    Mild cognitive impairment
    Early diagnosis
    Neuropsychological assessment
    Mini-mental State Examination Test (MMSE)
    Rowland Universal Dementia Assessment Scale (RUDAS)
    Rights
    Creative Commons License
    The University of Bradford theses are licenced under a Creative Commons Licence.
    Institution
    University of Bradford
    Department
    Faculty of Management Law and Social Sciences
    Awarded
    2021
    
    Metadata
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    Abstract
    The accuracy of neuropsychological assessment is critical in the diagnosis of cognitive impairments in older adults. However, existing neuropsychological tests may not be suitable for minority populations. This thesis aimed to address this issue by recruiting cognitively-healthy South Asian older adults and assessing cognitive function in this group. Results showed that typically used assessments, despite being translated, were not suitable for this cohort. Furthermore, skills required for test completion such as mathematics and writing/hand dexterity (which are related to education levels) influenced test scores. Therefore, new assessments of general cognitive function and associative memory were developed to improve the accuracy of neuropsychological test scores. The new tests were not affected by education and they achieved high internal and test re-test reliability. Time of day (TOD) that testing takes place is also known to affect cognition. Interestingly, no TOD effects were observed in this cohort. It was hypothesised that engagement in the daily five Islamic prayers may have contributed to this lack of a TOD effect. However, the results did not confirm this. The thesis then looked at overall prayer engagement and cognition. Results showed that engagement in the daily five prayers and Quran recitation significantly increased scores on assessments of processing speed. This thesis demonstrates that accurately assessing cognition in South Asian older adults is challenging and that the cognitive tests used must be suitable for this cohort. Interesting findings emerged for prayer engagement which may have wider implications for the field of cognitive reserve.
    URI
    http://hdl.handle.net/10454/19133
    Type
    Thesis
    Qualification name
    PhD
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