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Titolo:
Implicit perception in patients with visual neglect: Lexical specificity in repetition priming
Autore:
Schweinberger, SR; Stief, V;
Indirizzi:
Univ Glasgow, Dept Psychol, Glasgow G12 8QB, Lanark, Scotland Univ Glasgow Glasgow Lanark Scotland G12 8QB ow G12 8QB, Lanark, Scotland Neurol Rehabil Ctr Godeshohe, D-53177 Bonn, Cbadgodesburg, Germany Neurol Rehabil Ctr Godeshohe Bonn Cbadgodesburg Germany D-53177 , Germany Univ Konstanz, Dept Psychol, D-78457 Constance, Germany Univ Konstanz Constance Germany D-78457 chol, D-78457 Constance, Germany Univ Zurich, Psychiat Clin, Gerontopsychiat Ctr Hegibach, CH-8032 Zurich, Switzerland Univ Zurich Zurich Switzerland CH-8032 bach, CH-8032 Zurich, Switzerland
Titolo Testata:
NEUROPSYCHOLOGIA
fascicolo: 4, volume: 39, anno: 2001,
pagine: 420 - 429
SICI:
0028-3932(2001)39:4<420:IPIPWV>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; SELECTIVE ATTENTION; UNILATERAL NEGLECT; BRAIN POTENTIALS; FACE RECOGNITION; WORD; TASK; AWARENESS; ASYMMETRIES; IDENTITY;
Keywords:
hemianopia; hemineglect; implicit perception; priming;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Schweinberger, SR Univ Glasgow, Dept Psychol, 58 Hillhead St, Glasgow G12 8QB, Lanark, Scotland Univ Glasgow 58 Hillhead St Glasgow Lanark Scotland G12 8QB
Citazione:
S.R. Schweinberger e V. Stief, "Implicit perception in patients with visual neglect: Lexical specificity in repetition priming", NEUROPSYCHO, 39(4), 2001, pp. 420-429

Abstract

Twelve patients with left-sided neglect, five patients with left-sided hemianopia, and 16 matched controls performed lexical decisions for foveally presented target words or pseudowords. Target words or pseudowords could be preceded by the same stimuli, presented for 150 ms as primes in either the left (LVF) or;he right (RVF) visual hemifield. Primes in the RVF caused similar levels of priming across the three groups. In contrast, whereas primesin the affected LVF did not cause priming in hemianopic patients, patientswith neglect showed highly significant priming from LVF primes, and the level of priming from these neglected primes was increased relative to normalcontrol levels. This priming effect was attributed to lexical access, because no repetition priming was observed for pronounceable pseudowords. In striking contrast to the priming results, neglect patients' explicit recognition performance for these prime stimuli was at chance for the left hemifield, although it was near perfect for the right hemifield. This demonstrates that the observed priming effects in the left hemifield were indeed caused by stimuli that were not explicitly perceived. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 20:31:31