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Plumb, Allison M.; Wetherby, Amy M. – Journal of Speech, Language, and Hearing Research, 2013
Purpose: In this study, the authors aimed to examine the vocalizations of children with autism spectrum disorder (ASD) in the second year of life and their relationship to other areas of development. Method: Vocalizations were examined in 125 children between ages 18 and 24 months: 50 later diagnosed with ASD, 25 with developmental delays (DD) in…
Descriptors: Pervasive Developmental Disorders, Autism, Toddlers, Language Acquisition
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Maljaars, Jarymke; Noens, Ilse; Jansen, Rianne; Scholte, Evert; van Berckelaer-Onnes, Ina – Journal of Communication Disorders, 2011
In this study we characterized profiles of communicative functions and forms of children with autism and intellectual disability (n = 26), as compared to typically developing children (n = 26) with a comparable nonverbal mental age (2-5 years). Videotapes of the Communication and Symbolic Behavior Scales--Developmental Profile were analyzed using…
Descriptors: Video Technology, Mental Age, Mental Retardation, Autism