El cerebelo: su implicación en la dislexia
DOI:
https://doi.org/10.25115/ejrep.v2i4.1149Palabras clave:
Dislexia, cerebelo, fonología, cadena causal.Resumen
Introducción: En esta revisión exponemos, en líneas generales, el razonamiento y la evidencia que respalda nuestra hipótesis que los problemas sufridos por los disléxicos pueden atribuirse a un deficit cerebelar.
Método: Primero, ofrecemos una perspectiva general de la evidencia reciente que propone un papel importante del cerebelo en las habilidades cognitivas, particularmente las que apoyan el lenguaje hablado, además de su papel ya reconocido en las habilidades motrices. Segundo, resumimos la evidencia de nuestro laboratorio a favor de que la función cerebelar sea anormal en la dislexia.
Resultados: Consideramos dos líneas concretas de evidencia: la conductual, y la evidencia convergent de la neuroimagen, la cual demuestra diferencias significativas entre los grupos disléxicos y de control. También administramos la misma batería de pruebas conductuales a un grupo de niños que son malos lectores no discrepantes.
Discusión: Finalmente, proponemos una cadena causal ontogenético para el desarrollo de la dislexia como déficit cerebelar desde el nacimiento, considerando las implicaciones de este marco para las cuestiones clave en la investigación sobre la dislexia.
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