Memoria Operativa y Vocabulario en Niños con Trastorno del Desarrollo del Lenguaje
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El objetivo de este estudio fue verificar si existe una diferencia en el desempeño de los niños con Trastorno del Desarrollo del Lenguaje (TDL) y el desarrollo del lenguaje típico (DLT) en las pruebas de memoria operativa fonológica (MOF) y memoria visual a corto plazo (MVCP), y si ese desempeño es correlacionado con el vocabulario receptivo. Seleccionamos 14 niños con TDL y 28 con DTL. Todos los sujetos se sometieron a dos pruebas de memoria a corto plazo y a una prueba de vocabulario receptivo. La comparación entre grupos se realizó mediante la prueba t de Student y la correlación entre la memoria a corto plazo y el vocabulario se obtuvo mediante la correlación de Pearson. Los niños con TDL tuvieron un peor desempeño en comparación con el grupo de control, tanto en la MOF como en la MVCP. La correlación positiva entre las pruebas de memoria y vocabulario sugiere que tanto el bucle fonológico como la memoria visual son importantes para el procesamiento del lenguaje, aunque el bucle fonológico puede tener mayor relevancia.
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