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Sound localization and word discrimination in reverberant environment in children with developmental dyslexia / Localización sonora y discriminación de palabras en ambientes reverberantes en niños con dislexia del desarrollo
Castro-Camacho, Wendy; Peñaloza-López, Yolanda; Pérez-Ruiz, Santiago J.; García-Pedroza, Felipe; Padilla-Ortiz, Ana L.; Poblano, Adrián; Villarruel-Rivas, Concepción; Romero-Díaz, Alfredo; Careaga-Olvera, Aidé.
  • Castro-Camacho, Wendy; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Peñaloza-López, Yolanda; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Pérez-Ruiz, Santiago J.; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • García-Pedroza, Felipe; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Padilla-Ortiz, Ana L.; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Poblano, Adrián; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Villarruel-Rivas, Concepción; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Romero-Díaz, Alfredo; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
  • Careaga-Olvera, Aidé; National Institute of Rehabilitation. Laboratory of Central Auditory Alterations Research. Mexico City. MX
Arq. neuropsiquiatr ; 73(4): 314-320, 04/2015. tab, graf
Artigo em Inglês | LILACS | ID: lil-745755
ABSTRACT
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 (-90o, -45o, 0o, +45o, +90o), 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 0º and +90o. 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 -45o, -90o, and +45o 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. .
RESUMEN
Objetivo Comparar localización de sonidos y localización-discriminación de palabras bajo reverberación y sin reverberación en niños disléxicos y controles. Método Estudiamos 30 niños disléxicos y 30 controles, pareados por edad. La localización sonora y discriminación a palabras fue estudiada en cinco ángulos horizontales en los campos izquierdo y derecho (-90o, -45o, 0o, +45o, +90o), bajo reverberación y sin reverberación; las respuestas correctas fueron comparadas Resultados: La localización sonora sin reverberación fue deficiente en niños disléxicos a 0º y +90º. La localización bajo reverberación falló en niños disléxicos en todos los ángulos, excepto –-90o. Durante la discriminación a palabras, sin reverberación, los niños disléxicos fallaron en ángulos izquierdos. En la prueba reverberante, los niños disléxicos fallaron a -–45o, -90o y +45o. Conclusion Los niños con dislexia pueden tener problemas cuando tienen que localizar sonidos y discriminar palabras en las localizaciones extremas del plano horizontal en salones de clases típicos con reverberación. .
Assuntos


Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Localização de Som / Percepção da Fala / Dislexia Tipo de estudo: Estudo observacional / Estudo prognóstico / Fatores de risco Limite: Criança / Feminino / Humanos / Masculino Idioma: Inglês Revista: Arq. neuropsiquiatr Assunto da revista: Neurologia / Psiquiatria Ano de publicação: 2015 Tipo de documento: Artigo País de afiliação: México Instituição/País de afiliação: National Institute of Rehabilitation/MX

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Localização de Som / Percepção da Fala / Dislexia Tipo de estudo: Estudo observacional / Estudo prognóstico / Fatores de risco Limite: Criança / Feminino / Humanos / Masculino Idioma: Inglês Revista: Arq. neuropsiquiatr Assunto da revista: Neurologia / Psiquiatria Ano de publicação: 2015 Tipo de documento: Artigo País de afiliação: México Instituição/País de afiliação: National Institute of Rehabilitation/MX