Una evaluación de la comprensión de estructuras sintácticas con alto costo de procesamiento en niños en edad escolar

2018 
Se proporciona una evaluacion de la habilidad para comprender oraciones de alto costo en ninos hablantes del espanol, con el objetivo de identificar ninos con riesgo de Trastorno Especifico del Lenguaje/Trastorno del Desarrollo del Lenguaje. La investigacion fue guiada por hipotesis linguisticas/psicolinguisticas relacionadas con el costo de procesamiento oracional. Se empleo una bateria de test que incluyo oraciones pasivas, clausulas relativas e interrogativas con Quien y con Que . La prediccion fue que pasivas reversibles, relativas e interrogativas de objeto implicarian mayor demanda. Se testearon 390 ninos (6 a 12 anos) de dos escuelas primarias. Las escuelas se diferenciaron en funcion de factores socio-economicos. Los resultados fueron compatibles con las predicciones. Los factores socio-economicos demostraron influir sobre el desempeno general de los ninos. Ninos que puntuaron dos desvios estandar por debajo de la media de respuestas correctas de su grupo etario (8.7%) fueron considerados en riesgo de deficit sintactico. Palabras clave: costo de procesamiento, comprension sintactica, ninos escolares, trastorno especifico del lenguaje. An assessment of the comprehension of highly costly syntactic structures by school age children. An evaluation of Spanish-speaking schoolchildren’s ability to comprehend highly-costly sentences is provided, which aimed to identify children at risk of Specific Language Impairment/Developmental Language Disorder. The investigation was guided by linguistic/psycholinguistic hypotheses concerning sentence processing cost. A battery of tests was used, which included passive sentences, relative clauses, WH/WH+N questions in different conditions. Reversible passives, and object relative and WH Questions were predicted to be more demanding. 390 children (6-12 years of age) from 2 elementary schools were tested. The schools were distinguished as a function of social/economical factors. The results are compatible with the predictions. Social-economical factors are shown to influence children’s overall performance. Children whose scores were 2SD below the mean of correct responses of the age group (8.7%) were considered to be at risk of syntactic impairment. Keywords: processing cost, syntactic comprehension, schoolchildren, specific language impairment.
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