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Grainger, Jonathan; Tydgat, Ilse; Issele, Joanna – Journal of Experimental Psychology: Human Perception and Performance, 2010
Five experiments examined crowding effects with letter and symbol stimuli. Experiments 1 through 3 compared 2-alternative forced-choice (2AFC) identification accuracy for isolated targets presented left and right of fixation with targets flanked either by 2 other items of the same category or a single item situated to the right or left of targets.…
Descriptors: Stimuli, Crowding, Visual Perception, Reading Skills
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Peyrin, C.; Demonet, J. F.; N'Guyen-Morel, M. A.; Le Bas, J. F.; Valdois, S. – Brain and Language, 2011
A visual attention (VA) span disorder has been reported in dyslexic children as potentially responsible for their poor reading outcome. The purpose of the current paper was to identify the cerebral correlates of this VA span disorder. For this purpose, 12 French dyslexic children with severe reading and VA span disorders and 12 age-matched control…
Descriptors: Attention Span, Stimuli, Dyslexia, Attention