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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282XOn-line version ISSN 1678-4227


VELLOSO, Renata de Lima; ARAUJO, Ceres Alves de  and  SCHWARTZMAN, José Salomão. Concepts of color, shape, size and position in ten children with Rett syndrome. Arq. Neuro-Psiquiatr. [online]. 2009, vol.67, n.1, pp.50-54. ISSN 0004-282X.

Individuals with Rett syndrome (RS) present severe motor, language and cognitive deficits, as well as spontaneous hand movement loss. On the other hand, there are strong evidence that these individuals use the eyes with intentional purpose. Ten girls aged 4y8m to 12y10m with RS were assessed with a computer system for visual tracking regarding their ability of indicating with eyes the recognition of concepts of color (red, yellow and blue), shape (circle, square and triangle), size (big and small) and spatial position (over and under) to which they were first exposed to. Results from comparing the time of eyes fixation on required and not required concepts did not differ significantly. Children did not show with eyes the recognition of the required concepts when assessed with eye tracking system.

Keywords : Rett syndrome; cognition; eye movement measurements; eye movements.

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