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Titolo:
Word-centred neglect dyslexia: Evidence from a new case
Autore:
Miceli, G; Capasso, R;
Indirizzi:
Catholic Univ Rome, I-00168 Rome, Italy Catholic Univ Rome Rome Italy I-00168 lic Univ Rome, I-00168 Rome, Italy CNR, Ist Psicol, Rome, Italy CNR Rome ItalyCNR, Ist Psicol, Rome, Italy IRCCS S Lucia, Rome, Italy IRCCS S Lucia Rome ItalyIRCCS S Lucia, Rome, Italy
Titolo Testata:
NEUROCASE
fascicolo: 3, volume: 7, anno: 2001,
pagine: 221 - 237
SICI:
1355-4794(2001)7:3<221:WNDEFA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
ALTITUDINAL NEGLECT; UNILATERAL NEGLECT; COORDINATE FRAMES; CENTERED NEGLECT; REPRESENTATIONS; RECOGNITION; SPACE; PATIENT;
Keywords:
neglect dyslexia; neglect dysgraphia; models; anatomo-clinical correlates of visual word recognition;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Miceli, G Catholic Univ Rome, Largo A Gemelli 8, I-00168 Rome, Italy Catholic Univ Rome Largo A Gemelli 8 Rome Italy I-00168 , Italy
Citazione:
G. Miceli e R. Capasso, "Word-centred neglect dyslexia: Evidence from a new case", NEUROCASE, 7(3), 2001, pp. 221-237

Abstract

Neglect dyslexia resulting from damage to word-centred representations is extremely rare. We report on a new case. A left-handed subject, SVE, presented with aphasia and neglect dyslexia/dysgraphia following a right hemisphere stroke. In tachistoscopic reading tasks, some of his errors resulted from retina-centred neglect, as he responded more accurately to words flashed in the left visual field than to words flashed in the right visual field. However, the critical aspects of his reading performance indicated word-centred neglect. SVE incorrectly produced the initial elements of four-letter words, regardless of stimulus location (to the left and to the right of fixation, or at fixation), and orientation (horizontal and vertical presentation). A similar distribution of errors was demonstrated in writing (very inaccurate performance on initial letters). This pattern of performance suggests damage to an abstract letter string representation defined by spatial coordinates, rather than to an ordering mechanism. It is most naturally accommodated by models of word recognition which assume a word-centred level of representation, and cannot be explained by models which do not include such a representational level. Consideration of our subject in the light of other similar reports prompts hypotheses on the neural mechanisms involved in computing word-centred representations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 07:54:10