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Developmental Eye Movement test and dyslexic children: A pilot study with eye movement recordings

Abstract : The goal of this study is to explore eye movement recordings during the Developmental Eye Movement (DEM) test in dyslexic and non-dyslexic children. Thirteen children with dyslexia, 13 non-dyslexic chronological age-and IQ-matched children and 13 non-dyslexic reading age-and IQ-matched children were examined. Test C of the DEM test was performed with and without eye movement recordings (eye tracker by SuriCog). The results of the three groups were compared. Children with dyslexia and non-dyslexic children of equivalent reading age have significant longer fixation time and take longer to read Test C of the DEM test than non-dyslexic children of similar chronological age. A significant correlation was also found between the fixation time and the number of words read in one minute with the total time to read Test C of the DEM test. DEM test is a useful test for exploring the oculomotor behavior of dyslexic children during reading. The maturation of cortical structures controlling fixation capability appears to play a crucial role in reading skills.
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Lionel Moiroud, Christophe Loic Gerard, Hugo Peyre, Maria Pia Bucci. Developmental Eye Movement test and dyslexic children: A pilot study with eye movement recordings. PLoS ONE, Public Library of Science, 2018, 13 (9), pp.e0200907. ⟨10.1371/journal.pone.0200907⟩. ⟨hal-03149844⟩

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