The motion aftereffect reloaded

Mather, George, Pavan, Andrea, Campana, Gianluca and Casco, Clara (2008) The motion aftereffect reloaded. Trends in Cognitive Sciences, 12 (12). pp. 481-487. ISSN 1364-6613

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The motion aftereffect is a robust illusion of visual motion resulting from exposure to a moving pattern. There is a widely accepted explanation of it in terms of changes in the response of cortical direction-selective neurons. Research has distinguished several variants of the effect. Converging recent evidence from different experimental techniques (psychophysics, single-unit recording, brain imaging, transcranial magnetic stimulation, visual evoked potentials and magnetoencephalography) reveals that adaptation is not confined to one or even two cortical areas, but occurs at multiple levels of processing involved in visual motion analysis. A tentative motion-processing framework is described, based on motion aftereffect research. Recent ideas on the function of adaptation see it as a form of gain control that maximises the efficiency of information transmission at multiple levels of the visual pathway.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Depositing User: George Mather
Date Deposited: 06 Feb 2012 15:36
Last Modified: 13 Mar 2012 15:18
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