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Sound localization and word discrimination in reverberant environment in children with developmental dyslexia

Arquivos de Neuro-Psiquiatria, ISSN: 1678-4227, Vol: 73, Issue: 4, Page: 314-320
2015
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Metric Options:   Counts1 Year3 Year

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Article Description

Objective: Compare if localization of sounds and words discrimination in reverberant environment is different between children with dyslexia and controls. Method: We studied 30 children with dyslexia and 30 controls. Sound and word localization and discrimination was studied in five angles from left to right auditory fields (-90°, -45°, 0°, +45°, +90°), under reverberant and no-reverberant conditions; correct answers were compared. Results: Spatial location of words in no-reverberant test was deficient in children with dyslexia at 0° and +90°. Spatial location for reverberant test was altered in children with dyslexia at all angles, except -90o. Word discrimination in no-reverberant test in children with dyslexia had a poor performance at left angles. In reverberant test, children with dyslexia exhibited deficiencies at -45°, -90°, and +45° angles. Conclusion: Children with dyslexia could had problems when have to locate sound, and discriminate words in extreme locations of the horizontal plane in classrooms with reverberation.

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