Journal
BRITISH JOURNAL OF CLINICAL PSYCHOLOGY
Volume 55, Issue 1, Pages 49-68Publisher
WILEY
DOI: 10.1111/bjc.12090
Keywords
imagination; future thinking; prospective memory; neurodegeneration; semantic memory; episodic memory; executive function; the self
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Funding
- Australian Research Council Discovery Early Career Researcher Award [DE130100463]
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ObjectivesProspection, or future thinking, refers to the ability to mentally simulate plausible events at a future point in time and draws heavily upon the capacity to retrieve autobiographical details from the past. This review examines the extent to which prospection is compromised in neurodegenerative disorders with a view to identifying (1) underlying mechanisms of future thinking disruption and (2) the impact of future thinking deficits on everyday adaptive functioning. MethodsPubMed and MEDLINE were searched for peer-reviewed articles published or in press up to 14 October 2014. The key criterion for inclusion was that the primary outcome measure concerned the envisaging of episodic events at a future time point. Search terms of future thinking', prospection', and future simulation' were used in combination with the following terms: dementia', Mild Cognitive Impairment', Alzheimer's disease', semantic dementia', frontotemporal dementia', Parkinson's disease', Motor Neuron disease', Vascular dementia', and Dementia with Lewy bodies' (e.g., future thinking' AND Alzheimer's disease'). Searches were limited to articles published in English. ResultsA total of nine unique papers were identified in which prospection was the main outcome measure in dementia. Collectively, these studies reveal marked impairments in the ability to simulate personally relevant events at a future time point in dementia syndromes. ConclusionsFuture research investigating the real-world implications of prospection deficits in dementia is crucial to elucidate the interplay between future-oriented thought and everyday adaptive functions such as prospective memory, decision-making, and maintaining a coherent sense of self over time.
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