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Titolo:
The spectrum of category effects in object and action knowledge in dementia of the Alzheimer's type
Autore:
Fung, TD; Chertkow, H; Murtha, S; Whatmough, C; Peloquin, L; Whitehead, V; Templeman, FD;
Indirizzi:
McGill Univ, Sir Mortimer B Davis Jewish Hosp, Bloomfield Ctr Res Aging, Lady Davis Inst Med Res, Montreal, PQ H3T 1E2, Canada McGill Univ Montreal PQ Canada H3T 1E2 Res, Montreal, PQ H3T 1E2, Canada Inst Univ Geriatrie Montreal, Ctr Rech, Montreal, PQ, Canada Inst Univ Geriatrie Montreal Montreal PQ Canada ch, Montreal, PQ, Canada York Univ, Dept Psychol, Toronto, ON M3J 2R7, Canada York Univ Toronto ONCanada M3J 2R7 Psychol, Toronto, ON M3J 2R7, Canada
Titolo Testata:
NEUROPSYCHOLOGY
fascicolo: 3, volume: 15, anno: 2001,
pagine: 371 - 379
SICI:
0894-4105(200107)15:3<371:TSOCEI>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEMANTIC MEMORY IMPAIRMENT; HERPES-SIMPLEX ENCEPHALITIS; NAMING IMPAIRMENTS; NONLIVING THINGS; DISEASE; DEFICITS; REPRESENTATIONS; DISSOCIATION; PERFORMANCE; HYPOTHESIS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Chertkow, H McGill Univ, Sir Mortimer B Davis Jewish Hosp, Bloomfield Ctr Res Aging, Lady Davis Inst Med Res, Montreal, PQ H3T 1E2, Canada McGill Univ Montreal PQ Canada H3T 1E2 al, PQ H3T 1E2, Canada
Citazione:
T.D. Fung et al., "The spectrum of category effects in object and action knowledge in dementia of the Alzheimer's type", NEUROPSYCHL, 15(3), 2001, pp. 371-379

Abstract

The validity and origin of category effects in the anomia demonstrated by individuals with dementia of the Alzheimer's type (DAT) remains controversial. Twenty DAT subjects were tested with picture naming and semantic association judgment tests. Picture and word stimuli were drawn from biological, nonbiological, and actions-verbs categories, all of equal difficulty and previously normed on elderly controls. DAT subjects made significantly more naming and semantic judgment errors in the biological category than in the nonbiological category. They were relatively more accurate in naming and making judgments for actions-verbs when presented as words or as 5-s animations. When line drawings of actions were shown for naming, performance deteriorated significantly. Converging results from these 2 tasks provide strong evidence for a semantic memory impairment preferentially affecting biological items to a greater extent than nonbiological items or action verbs in DAT.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/10/20 alle ore 04:54:34