DEFICITS of the transient visual system have been reported in unselected groups of dyslexics. The aim of this study was to examine whether this finding holds when subjects with a specific type of developmental reading disorder (surface dyslexia) are considered. Ten Italian children were examined. They all presented the characteristic markers of surface dyslexia: slow and laborious reading with errors in tasks which cannot be solved with a grapheme-phoneme conversion (i.e. homophones). Contrast sensitivity thresholds to phase-reversal gratings were within normal limits for most subjects both for stimuli presented centrally and in the right parafovea. This indicates that developmental surface dyslexia is not associated with a deficit in the transient system. In contrast, sensitivity to high spatial frequency stationary stimuli was reduced.
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|Titolo:||Developmental surface dyslexia is not associated with deficits in the transient visual system.|
|Data di pubblicazione:||1997|
|Citazione:||Developmental surface dyslexia is not associated with deficits in the transient visual system. / Spinelli, Donatella; Angelelli, P.; DE LUCA, M; DI PACE, Enrico; Judica, A.; Zoccolotti, Pierluigi. - In: NEUROREPORT. - ISSN 0959-4965. - STAMPA. - 8:8(1997), pp. 1807-1812.|
|Appare nella tipologia:||01a Articolo in rivista|