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Titolo:
RECOGNITION IMPAIRMENTS AND FACE IMAGERY
Autore:
YOUNG AW; HUMPHREYS GW; RIDDOCH MJ; HELLAWELL DJ; DEHAAN EHF;
Indirizzi:
MRC,APPL PSYCHOL UNIT,15 CHAUCER RD CAMBRIDGE CB2 2EF ENGLAND UNIV BIRMINGHAM,SCH PSYCHOL BIRMINGHAM B15 2TT W MIDLANDS ENGLAND UNIV EDINBURGH,WESTERN GEN HOSP,DEPT CLIN NEUROSCI EDINBURGH EH4 2XU MIDLOTHIAN SCOTLAND UNIV UTRECHT,DEPT PSYCHON 3508 TC UTRECHT NETHERLANDS
Titolo Testata:
Neuropsychologia
fascicolo: 6, volume: 32, anno: 1994,
pagine: 693 - 702
SICI:
0028-3932(1994)32:6<693:RIAFI>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
MENTAL-IMAGERY; VISUAL AGNOSIA; NEUROLOGICAL IMPAIRMENTS; PROSOPAGNOSIC PATIENT; COVERT RECOGNITION; OBJECT CONSTANCY; DISSOCIATION; DEFICIT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
40
Recensione:
Indirizzi per estratti:
Citazione:
A.W. Young et al., "RECOGNITION IMPAIRMENTS AND FACE IMAGERY", Neuropsychologia, 32(6), 1994, pp. 693-702

Abstract

We investigated face imagery for H.J.A. and P.H., who experience profound difficulties in recognising familiar faces. H.J.A.'s problems involve a perceptual impairment that compromises the integration of features into a coherent representation, and he does not show covert recognition of faces in indirect tests. In contrast, P.H. has shown extensive covert recognition effects, leading to the suggestion that his deficit occurs at a higher level of visual processing than H.J.A.'s. H.J.A.and P.H. were given tasks intended to explore their ability to answerquestions that depended on imaging single faces, and on configuration-based or feature-based comparisons of imaged sets of three faces. Forall of these face imagery tasks, P.H.'s overall performance was severely impaired. H.J.A., though, showed preserved face imagery when imaging single faces and when making feature-based comparisons between imaged faces. However, when configuration-based comparisons were demanded H.J.A. also showed a severe and stable impairment of face imagery. These observations are inconsistent with the idea that face recognition impairments have a unitary underlying cause and vary only in severity. Instead, they imply multi-stage causation, with the nature of consequent impairments of face imagery being determined by the level at which the recognition deficit arises.

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Documento generato il 29/03/20 alle ore 00:23:18