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Perception and cognition in the ageing brain : a brief review of the short-and long-term links between perceptual and cognitive decline

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Roberts, Katherine L. and Allen, Harriet A. (2016) Perception and cognition in the ageing brain : a brief review of the short-and long-term links between perceptual and cognitive decline. Frontiers in Aging Neuroscience, 8 . 39. doi:10.3389/fnagi.2016.00039 ISSN 1663-4365.

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Official URL: http://dx.doi.org/10.3389/fnagi.2016.00039

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Abstract

Ageing is associated with declines in both perception and cognition. We review evidence for an interaction between perceptual and cognitive decline in old age. Impoverished perceptual input can increase the cognitive difficulty of tasks, while changes to cognitive strategies can compensate, to some extent, for impaired perception. While there is strong evidence from cross-sectional studies for a link between sensory acuity and cognitive performance in old age, there is not yet compelling evidence from longitudinal studies to suggest that poor perception causes cognitive decline, nor to demonstrate that correcting sensory impairment can improve cognition in the longer term. Most studies have focused on relatively simple measures of sensory (visual and auditory) acuity, but more complex measures of suprathreshold perceptual processes, such as temporal processing, can show a stronger link with cognition. The reviewed evidence underlines the importance of fully accounting for perceptual deficits when investigating cognitive decline in old age.

Item Type: Journal Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Divisions: Faculty of Science, Engineering and Medicine > Science > Psychology
Library of Congress Subject Headings (LCSH): Older people -- Psychology, Perception, Cognition, Aging, Hearing, Vision
Journal or Publication Title: Frontiers in Aging Neuroscience
Publisher: Frontiers Research Foundation
ISSN: 1663-4365
Official Date: 1 March 2016
Dates:
DateEvent
1 March 2016Published
15 February 2016Accepted
17 September 2015Submitted
Volume: 8
Article Number: 39
DOI: 10.3389/fnagi.2016.00039
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 15 March 2016
Date of first compliant Open Access: 16 March 2016

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