The time course of attentional focusing in dyslexic and normally reading children

Andrea Facoetti, Maria Luisa Lorusso, Pierluigi Paganoni, Carmen Cattaneo, Raffaella Galli, Gian Gastone Mascetti

Research output: Contribution to journalArticlepeer-review

Abstract

A cue size procedure was used to evaluate the time course of visuo-spatial attention in dyslexic and normally reading children. When a stimulus target is presented inside a large cue vs a small cue the identification time is slower. In the present study two cue-target delays (100 and 500ms) were used. Results showed a slower time course of attentional focusing in dyslexics vs normal readers. Indeed, dyslexics exhibited no cue size effect at a shorter cue-target delay (100ms), while it was present at a longer cue-target delay (500ms). In contrast, a cue size effect was found at both cue-target delays in normally reading children. These results further support the hypothesis of sluggish automatic focusing of visual attention in dyslexics. This impairment could be a consequence of a general magnocellular deficit demonstrated previously in dyslexics.

Original languageEnglish
Pages (from-to)181-184
Number of pages4
JournalBrain and Cognition
Volume53
Issue number2
DOIs
Publication statusPublished - Nov 2003

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology

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