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Titolo:
AUTOMATIC SEMANTIC FACILITATION IN ALZHEIMERS-DISEASE
Autore:
SILVERI MC; MONTELEONE D; BURANI C; TABOSSI P;
Indirizzi:
CATHOLIC UNIV SACRED HEART,INST NEUROL,LARGO A GEMELLI 8 I-00168 ROMEITALY CNR ROME ITALY UNIV TRIESTE TRIESTE ITALY
Titolo Testata:
Neuropsychology, development, and cognition. Section A, Journal of clinical and experimental neuropsychology
fascicolo: 3, volume: 18, anno: 1996,
pagine: 371 - 382
SICI:
1380-3395(1996)18:3<371:ASFIA>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
LEXICAL DECISION TASK; ASSOCIATIVE FACILITATION; SPREADING ACTIVATION; WORD RECOGNITION; SENILE DEMENTIA; MEMORY; ATTENTION; KNOWLEDGE; IMPAIRMENT; PRIME;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
50
Recensione:
Indirizzi per estratti:
Citazione:
M.C. Silveri et al., "AUTOMATIC SEMANTIC FACILITATION IN ALZHEIMERS-DISEASE", Neuropsychology, development, and cognition. Section A, Journal of clinical and experimental neuropsychology, 18(3), 1996, pp. 371-382

Abstract

To explore the nature of semantic deficit in Alzheimer's disease patients (AD patients) we compared two tasks that are known to be very different with respect to the type of attentional demand and conscious effort they require: lexical decision (automatic) in a semantic priming paradigm and semantic relatedness judgements (intentional). In order to minimise post-lexical facilitation we devised a semantic priming experiment that met an automatic condition as much as possible, and we selected patients without severe word recognition deficits. AD patients showed reduced accuracy in the semantic relatedness judgements as compared to controls. Some effect of priming was found, but this was weaker than in normals. AD patients also differed from controls on targets preceded by a nonlinguistic prime (neutral condition) where their reaction times were slower as compared to neutral condition.

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Documento generato il 01/06/20 alle ore 02:14:10