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Dissociating person-specific from general semantic knowledge: roles of the left and right temporal lobes

Thompson, S. A., Graham, Kim Samantha, Williams, G., Patterson, K., Kapur, N. and Hodges, J. R. 2004. Dissociating person-specific from general semantic knowledge: roles of the left and right temporal lobes. Neuropsychologia 42 (3) , pp. 359-370. 10.1016/j.neuropsychologia.2003.08.004

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Abstract

The cognitive architecture and neural underpinnings of different semantic domains remains highly controversial. We report two patients with focal temporal lobe atrophy who presented with contrasting and theoretically informative dissociations of person-specific versus general semantic knowledge. Subject J.P. showed severely impaired person-specific semantics, with relative preservation of knowledge about objects and animals, while subject M.A. exhibited the opposite pattern of performance (good knowledge of people in the context of impoverished general semantics). Voxel-based morphometric analysis of MR images in the two cases established predominantly right temporal atrophy associated with J.P.’s deficit for person knowledge and predominantly left temporal atrophy in M.A. who was impaired in general conceptual knowledge.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Systems Immunity Research Institute (SIURI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: Memory; Dementia; Face processing
Publisher: Elsevier
ISSN: 0028-3932
Last Modified: 04 Jun 2017 04:14
URI: http://orca.cf.ac.uk/id/eprint/35043

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