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Titolo:
Selective space transformation deficit in a patient with spatial agnosia
Autore:
Bricolo, E; Shallice, T; Priftis, K; Meneghello, F;
Indirizzi:
Univ Coll London, Inst Cognit Neurosci, London WC1N 3AR, England Univ CollLondon London England WC1N 3AR rosci, London WC1N 3AR, England SISSA, ISAS, Programme Neurosci, I-34014 Trieste, Italy SISSA Trieste Italy I-34014 , Programme Neurosci, I-34014 Trieste, Italy Univ Verona, Physiol Sect, Dept Visual & Neurol Sci, I-37134 Verona, ItalyUniv Verona Verona Italy I-37134 ual & Neurol Sci, I-37134 Verona, Italy Osped San Camillo, Alberoni, Lido Di Venezia, Italy Osped San Camillo Alberoni Lido Di Venezia Italy Lido Di Venezia, Italy
Titolo Testata:
NEUROCASE
fascicolo: 4, volume: 6, anno: 2000,
pagine: 307 - 319
SICI:
1355-4794(2000)6:4<307:SSTDIA>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
MENTAL ROTATION; CEREBRAL HEMISPHERES; OBJECT RECOGNITION; REPRESENTATIONS; LOCALIZATION; SIMULATIONS; PERFORMANCE; INFORMATION; ACTIVATION; BRAIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: Shallice, T Univ Coll London, Inst Cognit Neurosci, 17 Queen Sq, London WC1N 3AR, England Univ Coll London 17 Queen Sq London England WC1N 3AR England
Citazione:
E. Bricolo et al., "Selective space transformation deficit in a patient with spatial agnosia", NEUROCASE, 6(4), 2000, pp. 307-319

Abstract

We studied the spatial processing abilities of a 55-year-old male patient,PAO, with a right perisylvian lesion. Although the patient showed no problems in performing object recognition tasks, he was impaired in visuo-spatial tasks. PAO's most prominent deficit was a marked inability to manipulate figures mentally in the absence of an impairment in visuospatial working memory. His deficit would surface whenever a non-predictable rotational change in the spatial frame occurred. In contrast, his perception of spatial location and his ability to cope with size transformations were in the normal range. These results suggest that the deficit described here is selective to the rotational operation. The results are discussed in relation to the model of Kosslyn ef al. (Journal of Experimental Psychology: Human Perceptionand Performance 1992; 18: 562-77) proposing the existence of two separate,categorical and metric, spatial coding systems, only the former of which is held to be impaired.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 18:18:28