Article ID Journal Published Year Pages File Type
371822 Research in Developmental Disabilities 2011 16 Pages PDF
Abstract

Drawing upon information about the Down syndrome behavioral phenotype and empirically based intervention strategies, we examined intervention addressing early communication impairments in young children with Down syndrome. Intervention involved multiple opportunities, shaping, prompting, and reinforcement to address both verbal imitation and requesting. Intervention also incorporated the relative strengths in social development characteristic of the Down syndrome behavioral phenotype by focusing on a more social request prior to addressing the more impaired instrumental request, as well as incorporating social consequences. Three of the four toddlers with Down syndrome were taught verbal imitation skills, two of whom generalized to novel sounds. All four toddlers with Down syndrome acquired requesting skills in the form of gaze shifting and vocalizing; three were also taught verbal approximations of requesting words (e.g., “mm” for “more”) using imitative prompts. These results contribute to the small, but growing, literature demonstrating behavior analytic interventions informed by an understanding of the Down syndrome behavioral phenotype.

► Verbal imitation and requesting are impaired in toddlers with Down syndrome. ► Down syndrome behavioral phenotype also includes strengths in social interest. ► We examine behavior analytic intervention incorporating social strengths characteristic of the behavioral phenotype. ► Both verbal imitation and requesting improved.

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