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Title: The time course of attentional focusing in dyslexic and normally reading children. Author: Facoetti A, Lorusso ML, Paganoni P, Cattaneo C, Galli R, Mascetti GG. Journal: Brain Cogn; 2003 Nov; 53(2):181-4. PubMed ID: 14607143. 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 500 ms) 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 (100 ms), while it was present at a longer cue-target delay (500 ms). 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.[Abstract] [Full Text] [Related] [New Search]