Dissociations of Visual Recognition in a Developmental Agnosic: Evidence for Separate Developmental Processes
- 1 October 2003
- journal article
- case report
- Published by Taylor & Francis in Neurocase
- Vol. 9 (5) , 380-389
- https://doi.org/10.1076/neur.9.5.380.16556
Abstract
We report the results of tests investigating the recognition of faces, places, and objects in a developmental agnosic, because dissociations of visual recognition in developmental agnosics provide insight into the separable procedures performing recognition and the developmental origins of these procedures. TA is a software engineer in his early 40s with developmental prosopagnosia. He performs normally on tests of low-level vision, and he names objects at the basic level normally. In order to compare his recognition abilities for different classes, we have presented him with a famous landmarks test, a famous faces test, and old/new discriminations involving unfamiliar faces, houses, natural landscapes, cars, horses, guns, sunglasses, and tools. He was impaired on the face recognition tests, but performed normally on the place recognition tests. He also showed severe impairments with horses and cars, borderline impairments with guns and sunglasses, and normal performance with tools. These results indicate...Keywords
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