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Titolo:
INTACT VISUAL-IMAGERY AND IMPAIRED VISUAL-PERCEPTION IN A PATIENT WITH VISUAL AGNOSIA
Autore:
BEHRMANN M; MOSCOVITCH M; WINOCUR G;
Indirizzi:
CARNEGIE MELLON UNIV,DEPT PSYCHOL PITTSBURGH PA 15213 BAYCREST CTR GERIATR CARE,ROTMAN RES INST TORONTO ON CANADA UNIV TORONTO,ERINDALE COLL,DEPT PSYCHOL MISSISSAUGA L5L 1C6 ONTARIO CANADA TRENT UNIV,DEPT PSYCHOL PETERBOROUGH K9J 7B8 ONTARIO CANADA
Titolo Testata:
Journal of experimental psychology. Human perception and performance
fascicolo: 5, volume: 20, anno: 1994,
pagine: 1068 - 1087
SICI:
0096-1523(1994)20:5<1068:IVAIVI>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLOOD-FLOW PATTERNS; MENTAL-IMAGERY; COGNITIVE NEUROSCIENCE; ASSOCIATIVE AGNOSIA; OBJECT RECOGNITION; OPTIC APHASIA; MINDS EYE; REPRESENTATION; NEUROPSYCHOLOGY; DISSOCIATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Citazioni:
69
Recensione:
Indirizzi per estratti:
Citazione:
M. Behrmann et al., "INTACT VISUAL-IMAGERY AND IMPAIRED VISUAL-PERCEPTION IN A PATIENT WITH VISUAL AGNOSIA", Journal of experimental psychology. Human perception and performance, 20(5), 1994, pp. 1068-1087

Abstract

Although it is now well accepted that visual mental imagery and visual perception share common underlying mechanisms, there are several reports in which they are dissociated. Evidence for the separability of these processes is provided by a patient, C.K., who has a profound visual object recognition deficit attributable to an impairment in grouping or segmenting visual images. Despite this perceptual deficit, C.K. was able to draw objects in considerable detail from memory, and his knowledge of the visual appearance of objects was preserved on a varietyof mental imagery tasks. Together with previous cases, these findingsconfirm the double dissociation between object recognition and perception. Interestingly, C.K. could also recognize newly constructed objects in his internal imagery. To accommodate these results, we propose amodel in which imagery and perception are strongly associated but arealso functionally specialized.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 18:09:32