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Research Article

Developmental milestones in toddlers with autistic disorder, pervasive developmental disorder—not otherwise specified and atypical development

, PhD, , &
Pages 239-247 | Received 23 Mar 2010, Accepted 24 Mar 2010, Published online: 14 Jul 2010
 

Abstract

Objective: To investigate age differences in developmental milestone attainment among toddlers with Autistic Disorder, PDD-NOS and atypical development.

Methods: A questionnaire was administered to caregivers of toddlers to obtain ages of onset of developmental milestones. The study included 1044 participants with 442, 112, 498 and 497 participants in first word, first phrase, crawling and walking analyses, respectively.

Results: Significant differences were found between groups on the attainment of milestones within normal limits, delayed or not yet attained. Significant differences were also found between groups in age of saying first word and onset of crawling. There were no significant differences between groups for walking or first phrase.

Conclusion: Increased severity of autism has been noted to be related to greater deficits in a multitude of areas. With basic human motor behaviours also appearing to follow that trend, motor and speech skills should be targeted in early intervention programmes.

Resumen

Objetivo: Investigar diferencias de edad en la adquisión de hitos del desarrollo entre niños con trastorno autista, PDD-NOS y con desarrollo atípico.

Métodos: Se aplicó un cuestionario a los cuidadores de los niños para obtener la edad de inicio de los hitos del desarrollo. El estudio incluyó 1044 participantes con 442, 112, 498 y 497 participantes en análisis de primera palabra, primera frase, gateo y marcha, respectivamente.

Resultados: Se encontraron diferencias significativas entres los grupos en la adquisión de hitos dentro de límites normales, retraso y aún no adquiridos. Así mismo se encontraron diferencias significativas entre los grupos respecto a la edad en que se pronunció la primera palabra y el inicio del gateo. No se encontraron diferencias significativas entre los grupos respecto a la marcha o la primera frase.

Conclusión: Se ha observado que una mayor severidad de autismo se relaciona con un mayor déficit en múltiples áreas. Como las conductas motoras humanas básicas aparenemente siguien esa tendencia, las habiliades del habla y motoras deben de ser objetivo dentro de los programas de intervención temprana.

Palabras clave: hitos del desarrollo, comunicación, marcha, trastorno autista, PDD-NOS, desarrollo atípico

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