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Semantic anemia without surface dyslexia

Weekes, Brendan S., Robinson, Gail (1997) Semantic anemia without surface dyslexia. Aphasiology, 11 (8). pp. 813-825. ISSN 0268-7038. (doi:10.1080/02687039708250457) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:18031)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1080/02687039708250457

Abstract

A computational model of oral reading developed by Plaut et al. (1996) proposes that reading aloud low-frequency exception words (e.g. yacht) relies upon a reading pathway that maps semantic representations directly onto output phonology. One prediction of this model is that, if the semantic reading pathway is damaged following brain damage, a pattern of surface dyslexic reading will be observed, characterized by frequent regularization errors when reading aloud low-frequency exception words (e.g. shoe --> 'show'). We report the oral reading of a semantic anemic patient (B.P.) who makes frequent semantic intrusion errors on confrontation naming tasks as well as semantic errors on word-picture and picture-picture matching tasks. Contrary to the prediction of the Plaut et al. (1996) model, B.P.'s oral reading of exception words, including his oral reading of picture names that are exception words, is intact. An important additional feature of B.P.'s language profile is that his oral reading of non-words is poor, suggesting that there is impairment to a phonological reading pathway. We argue that B.P.'s preserved oral reading reflects the operation of a lexical, non-semantic reading pathway.

Item Type: Article
DOI/Identification number: 10.1080/02687039708250457
Subjects: R Medicine > RC Internal medicine > RC321 Neuroscience. Biological psychiatry. Neuropsychiatry
Divisions: Divisions > Division for the Study of Law, Society and Social Justice > School of Social Policy, Sociology and Social Research
Depositing User: T.J. Sango
Date Deposited: 29 Apr 2009 14:27 UTC
Last Modified: 16 Nov 2021 09:56 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/18031 (The current URI for this page, for reference purposes)

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