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Titolo:
NAMING DEFICIT FOR NONLIVING ITEMS - NEUROPSYCHOLOGICAL AND PET STUDY
Autore:
SILVERI MC; GAINOTTI G; PERANI D; CAPPELLETTI JY; CARBONE G; FAZIO F;
Indirizzi:
CATHOLIC UNIV SACRED HEART,INST NEUROL,LARGO A GEMELLI 8 I-00168 ROMEITALY ISRAELITE HOSP ROME ITALY UNIV MILAN,SAN RAFFAELE SCI INST,CNR,INB MILAN ITALY
Titolo Testata:
Neuropsychologia
fascicolo: 3, volume: 35, anno: 1997,
pagine: 359 - 367
SICI:
0028-3932(1997)35:3<359:NDFNI->2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
HERPES-SIMPLEX ENCEPHALITIS; IMPAIRMENT; RECOGNITION; CATEGORIES; KNOWLEDGE; LANGUAGE; RECOVERY; SYSTEMS; AGNOSIA; THINGS;
Keywords:
ANEMIA; CATEGORY-SPECIFIC DEFICIT; PET;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
39
Recensione:
Indirizzi per estratti:
Citazione:
M.C. Silveri et al., "NAMING DEFICIT FOR NONLIVING ITEMS - NEUROPSYCHOLOGICAL AND PET STUDY", Neuropsychologia, 35(3), 1997, pp. 359-367

Abstract

We report a patient with progressive left hemisphere atrophy who presented a lexical retrieval deficit more pronounced in naming non-livingitems than in naming living items. Word frequency and familiarity strongly influenced the performance, but the dissociation persisted when the items were controlled for these factors. In addition, the prevalent deficit for non-living items in respect to living items could be confirmed in tasks where other patients presented the opposite pattern. APET study showed a significant hypometabolism in the left hemisphere regions suggesting that, at variance with living deficit which is observed in patients with bilateral lesions, non-living deficit is produced by unilateral left hemispheric lesions. This patient confirms that living and nonliving categories may dissociate and that distinct neuralsystems subsume their knowledge. (C) 1997 Elsevier Science Ltd.

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Documento generato il 30/11/20 alle ore 00:40:41