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Paul, Rhea; Fuerst, Yael; Ramsay, Gordon; Chawarska, Kasia; Klin, Ami – Journal of Child Psychology and Psychiatry, 2011
Background: Younger siblings of children with autism spectrum disorders (ASD) are at higher risk for acquiring these disorders than the general population. Language development is usually delayed in children with ASD. The present study examines the development of pre-speech vocal behavior in infants at risk for ASD due to the presence of an older…
Descriptors: Siblings, Autism, Infants, Case Studies
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Chawarska, Katarzyna; Paul, Rhea; Klin, Ami; Hannigen, Sarah; Dichtel, Laura E.; Volkmar, Fred – Journal of Autism and Developmental Disorders, 2007
Symptoms of Autism Spectrum Disorders (ASD) begin to manifest during the first 2 years; there is limited evidence regarding type and timing of symptom onset. We examined factors related to parental age of recognition (AOR) of early abnormalities and the association between AOR and diagnosis and levels of functioning at 2 and 4 years in 75 toddlers…
Descriptors: Toddlers, Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders)