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CATEGORY SPECIFIC ACCESS DYSPHASIA

CATEGORY SPECIFIC ACCESS DYSPHASIA In this study we report our investigations of the residual auditory-verbal comprehension skills of a global dysphasic who had sustained a major left hemisphere infarction. Clinically V.E.R.'s capacity for propositional speech and her comprehension of the simplest verbal instructions appeared to be absent. Nevertheless using matching-to-sample techniques it was possible to demonstrate the selective preservation (foods, animals and flowers) and the selective impairment (objects) of specific semantic categories. Furthermore there was evidence from analyses of response consistency and presentation rate effects that her deficit was primarily one of access to the full semantic representation of words. We suggest that this access impairment arose because the system had become refractory, such refractoriness being category specific. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Brain Oxford University Press

CATEGORY SPECIFIC ACCESS DYSPHASIA

WARRINGTON, ELIZABETH K.; MCCARTHY, ROSALEEN
Brain , Volume 106 (4) – Dec 1, 1983
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Publisher
Oxford University Press
Copyright
© Oxford University Press
ISSN
0006-8950
eISSN
1460-2156
DOI
10.1093/brain/106.4.859
Publisher site
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Abstract

In this study we report our investigations of the residual auditory-verbal comprehension skills of a global dysphasic who had sustained a major left hemisphere infarction. Clinically V.E.R.'s capacity for propositional speech and her comprehension of the simplest verbal instructions appeared to be absent. Nevertheless using matching-to-sample techniques it was possible to demonstrate the selective preservation (foods, animals and flowers) and the selective impairment (objects) of specific semantic categories. Furthermore there was evidence from analyses of response consistency and presentation rate effects that her deficit was primarily one of access to the full semantic representation of words. We suggest that this access impairment arose because the system had become refractory, such refractoriness being category specific.

Journal

Brain – Oxford University Press

Published: Dec 1, 1983

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