Psychophysical correlates of global motion processing in the aging visual system: a critical review

Hutchinson, Claire V. and Arena, Amanda and Allen, Harriet A. and Ledgeway, Tim (2012) Psychophysical correlates of global motion processing in the aging visual system: a critical review. Neuroscience & Biobehavioral Reviews, 36 (4). pp. 1266-1271. ISSN 0149-7634

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The consequences of visual decline in aging have a fundamental and wide-reaching impact on age-related quality of life. It is of concern therefore that evidence suggests that normal aging is accompanied by impairments in the ability to effectively encode global motion. Global motion perception is a fundamentally important process. It enables us to determine the overall velocity of spatially extensive objects in the world and provides us with information about our own body movements. Here, we review what is currently known about the effects of age on performance for encoding the global motion information available in random dot kinematograms (RDKs), a class of stimuli widely used to probe the mechanisms underlying motion perception. We conclude that age-related deficits in global motion perception are not all encompassing. Rather, they appear to be specific to certain stimulus conditions. We also examine evidence for an interaction between age and gender and consider the efficacy of techniques such as visual perceptual learning that may attenuate some of the visual deficits in the older adult population.

Item Type: Article
Additional Information: NOTICE: this is the author’s version of a work that was accepted for publication in Neuroscience & Biobehavioral Reviews. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neuroscience & Biobehavioral Reviews, 36(4), (2012), doi: 10.1016/j.neubiorev.2012.02.009
Keywords: Age; Global motion; Random dot kinematograms
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Psychology
Identification Number:
Depositing User: Allen, Harriet
Date Deposited: 18 Nov 2014 19:18
Last Modified: 04 May 2020 20:22

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