congenital contrastivelinguistics cross-culturalcomparison diseases dyslexia ear eardeformities eardiseases education familymedicine foot footdeformities footdiseases footinjuries learningdisabilities learningdisabledchildren learningdisorders physiopathology psycholinguistics reading readingdisability surgery temporalbone we880b619c1992 wm475m913c1982 wv200w654r2000