Article (Scientific journals)
Deep dysphasia : Further evidence on the relationship between phonological short-term memory and language processing impairments
Majerus, Steve; Lekeu, Françoise; Van der Linden, Martial et al.
2001In Cognitive Neuropsychology, 18 (5), p. 385-410
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Keywords :
aphasia; neurodegeneration
Abstract :
[en] We report a cognitive investigation of a case of deep dysphasia appearing in the context of primary progressive aphasia. Over a period of 5 years, patient CO presented progressive difficulties in word finding and in oral comprehension, while nonverbal cognitive functions remained preserved. As in other deep dysphasic patients, CO's repetition performance showed marked imageability and lexicality effects, and semantic paraphasias. The same effects were observed in writing-to-dictation. Regularisation errors occurred in word reading. CO's short-term memory span was less than two words. A cognitive analysis of language processing revealed difficulties in phoneme identification and rhyme judgement, in detecting grammatical class for orally presented words, and in oral and written naming. The interpretation of CO's deep dysphasic symptoms within interactive models of language processing confirmed the importance of a phonological short-term storage impairment as an explanatory factor of deep dysphasia.
Disciplines :
Neurology
Author, co-author :
Majerus, Steve  ;  Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive
Lekeu, Françoise ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Van der Linden, Martial ;  Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive
Salmon, Eric  ;  Université de Liège - ULiège > Département des sciences cliniques > Neuroimagerie des troubles de la mémoire et révalid. cogn.
Language :
English
Title :
Deep dysphasia : Further evidence on the relationship between phonological short-term memory and language processing impairments
Publication date :
2001
Journal title :
Cognitive Neuropsychology
ISSN :
0264-3294
eISSN :
1464-0627
Publisher :
Psychology Press
Volume :
18
Issue :
5
Pages :
385-410
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 June 2010

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