Neuropsychological dissociations between motion and form perception suggest functional organization in extrastriate cortical regions in the human brain |
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Authors: | Heath E Matheson Patricia A McMullen |
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Institution: | Department of Psychology, Dalhousie University, Halifax Nova Scotia, Canada |
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Abstract: | In this review of neuropsychological case studies, a number of dissociations are shown between different visual abilities including low-level motion perception, static form perception, form-from-motion perception and biological motion perception. These dissociations reveal counter-intuitive results. Specifically, higher level form-from-motion perception can persist despite deficits in low-level motion perception and static form perception. To account for these dissociations, we present a model of functional organization and identify future directions for investigations of higher order form-from-motion perception. |
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Keywords: | Neuropsychology Coherent motion perception Static form perception Form-from-motion perception Biological motion perception Dissociation |
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