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Titolo:
SEMANTIC MEMORY IN ALZHEIMERS-DISEASE - REPRESENTATIVENESS, ONTOLOGICCATEGORY, AND MATERIAL
Autore:
GROSSMAN M; ROBINSON K; BIASSOU N; WHITEDEVINE T; DESPOSITO M;
Indirizzi:
UNIV PENN,MED CTR,DEPT NEUROL,COGNIT NEUROL SECT,3400 SPRUCE ST PHILADELPHIA PA 19104
Titolo Testata:
Neuropsychology
fascicolo: 1, volume: 12, anno: 1998,
pagine: 34 - 42
SICI:
0894-4105(1998)12:1<34:SMIA-R>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEUROPSYCHOLOGICAL MEASURES; NONLIVING THINGS; KNOWLEDGE; DEMENTIA; IMPAIRMENT; COMPREHENSION; ORGANIZATION; RECOGNITION; ACTIVATION; ATTRIBUTES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
63
Recensione:
Indirizzi per estratti:
Citazione:
M. Grossman et al., "SEMANTIC MEMORY IN ALZHEIMERS-DISEASE - REPRESENTATIVENESS, ONTOLOGICCATEGORY, AND MATERIAL", Neuropsychology, 12(1), 1998, pp. 34-42

Abstract

Alzheimer's disease (AD) patients with semantic memory difficulty andAD patients with relatively preserved semantic memory named pictures and judged the category membership of words and pictures of natural kinds and manufactured artifacts that varied in their representativeness. Only semantically impaired patients were insensitive to representativeness in their category judgments. AD subgroup judgments did not differ for natural kinds compared to manufactured artifacts nor for words compared to pictures. AD subgroup differences could not be explained by dementia severity, memory, reading, and visuoperception. The similarity process for relating coordinate members of a taxonomic category contributes to the normal appreciation of word and picture meaning, and this process is compromised in AD patients with semantic difficulty.

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Documento generato il 19/09/20 alle ore 12:50:56