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Titolo:
AGRAPHIA IN ALZHEIMERS-DISEASE - AN INDEPENDENT LEXICAL IMPAIRMENT
Autore:
LAMBERT J; EUSTACHE F; VIADER F; DARY M; RIOUX P; LECHEVALIER B; TRAVERE JM;
Indirizzi:
CHU CAEN,SERV NEUROL,INSERM U320,AVE COTE NACRE F-14033 CAEN FRANCE CEA,DSV,DPTE CAEN FRANCE
Titolo Testata:
Brain and language
fascicolo: 2, volume: 53, anno: 1996,
pagine: 222 - 233
SICI:
0093-934X(1996)53:2<222:AIA-AI>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
DEMENTIA; WRITTEN; BUFFER; SPEECH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
J. Lambert et al., "AGRAPHIA IN ALZHEIMERS-DISEASE - AN INDEPENDENT LEXICAL IMPAIRMENT", Brain and language, 53(2), 1996, pp. 222-233

Abstract

This study was conducted to delineate the pattern of the writing impairments in 12 patients with Alzheimer type dementia. The patients performed writing tasks involving regular and irregular words and nonwordsgiven by dictation as well as a decision test composed of printed words and pictures requiring phonologic, lexical, and semantic processing. Writing from dictation demonstrated a predominant, but nonisolated, lexical deficit. In order to better evaluate this lexical disorder, the correlation between the dictation writing scores and the decision task scores was analyzed. No significant correlation was found among scores for irregular words, phonologically plausible errors, and scores of the lexical or semantic decision tasks, but there was a significant correlation among scores for the nonwords, nonphonological spelling errors, and scores of the phonologic decision task using printed words. These results would suggest that the ''lexical'' deficit in agraphia, i.e., difficulty in retrieval or loss of the spelling representations of words, is independent of the lexical or semantic capacities involved in other modalities. (C) 1996 Academic Press, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 01:52:45