Factors associated with informant-reported cognitive decline in older adults: a systemised literature review

Morrell, Lucy, Camic, Paul M. and Genis, Michelle (2018) Factors associated with informant-reported cognitive decline in older adults: a systemised literature review. Dementia. ISSN 1471-3012.

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Abstract

Background
Dementia diagnoses are typically made where there is a significant, progressive decline in cognitive functioning. Evidence of such decline is increasingly established through information provided by informants. However, some studies demonstrate that informant reports may not always be accurate and may be biased by extraneous factors. This review aimed to elucidate factors that have been identified as potentially having some influence on informant reports of cognitive decline.

Method
A search of PsychInfo, ASSIA, PubMed and Web of Science databases identified 13 peer-reviewed studies that met criteria for inclusion in the review.

Results
Reviewed studies provide some evidence for associations between informant-reported cognitive decline and demographic characteristics (patient age, education, ethnicity and informant gender), clinical factors (dementia severity, diagnosis, behavioural disturbance, everyday functioning) and psychological factors (patient depressive symptoms and neuroticism, informant psychological distress and burden). Several methodological limitations of the evidence base were identified.

Conclusion
Findings suggest that informant-reported cognitive decline may not always be wholly reliable in that information holds potential to be influenced by both patient and informant characteristics. Clinical and empirical implications are discussed.

Item Type: Article
Uncontrolled Keywords: dementia; cognitive decline; memory assessment; cognitive assessment; informant
Subjects: R Medicine > RC Internal medicine > RC0435 Psychiatry > RC0512 Psychopathology. Mental disorders > RC0521 Dementia
R Medicine > RC Internal medicine > RC0435 Psychiatry > RC0467 Clinical psychology
Divisions: Faculty of Social and Applied Sciences > School of Psychology, Politics and Sociology > Salomons Centre for Applied Psychology
Depositing User: Prof Paul M Camic
Date Deposited: 27 Feb 2018 14:24
Last Modified: 27 Feb 2018 14:31
URI: https://create.canterbury.ac.uk/id/eprint/17019

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Last edited: 29/06/2016 12:23:00