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Parladé, Meaghan V.; Iverson, Jana M. – Journal of Autism and Developmental Disorders, 2015
This study evaluated the extent to which developmental change in coordination of social communication in early infancy differentiates children eventually diagnosed with ASD from those not likely to develop the disorder. A prospective longitudinal design was used to compare nine infants at heightened risk for ASD (HR) later diagnosed with ASD, to…
Descriptors: Infants, At Risk Persons, Social Development, Language Acquisition
Mayo, Jessica; Eigsti, Inge-Marie – Journal of Autism and Developmental Disorders, 2012
Individuals with autism spectrum disorders have impairments in language acquisition, but the underlying mechanism of these deficits is poorly understood. Implicit learning is potentially relevant to language development, particularly in speech segmentation, which relies on sensitivity to transitional probabilities between speech sounds. This study…
Descriptors: Autism, Artificial Languages, Language Acquisition, Probability
Weismer, Susan Ellis; Gernsbacher, Morton Ann; Stronach, Sheri; Karasinski, Courtney; Eernisse, Elizabeth R.; Venker, Courtney E.; Sindberg, Heidi – Journal of Autism and Developmental Disorders, 2011
This study compared language development in 30-month-old toddlers on the autism spectrum and 25-month-old late talking toddlers without autism. Groups were matched on overall productive vocabulary (and nonverbal cognition was controlled) in order to compare language acquisition patterns related to vocabulary composition and early…
Descriptors: Delayed Speech, Semantics, Autism, Grammar
Dereu, Mieke; Raymaekers, Ruth; Warreyn, Petra; Schietecatte, Inge; Meirsschaut, Mieke; Roeyers, Herbert – Journal of Autism and Developmental Disorders, 2012
Several screening instruments for ASD in young children were developed during the last decades. Only few studies compare the discriminative power of these instruments in the same sample. In particular comparisons of instruments that use different informants are scarce in young children. The current study compared the discriminant ability of the…
Descriptors: Check Lists, Delayed Speech, Autism, Child Caregivers
Ellis Weismer, Susan; Lord, Catherine; Esler, Amy – Journal of Autism and Developmental Disorders, 2010
This study characterized early language abilities in toddlers with autism spectrum disorders (n = 257) using multiple measures of language development, compared to toddlers with non-spectrum developmental delay (DD, n = 69). Findings indicated moderate to high degrees of agreement among three assessment measures (one parent report and two direct…
Descriptors: Language Patterns, Delayed Speech, Autism, Toddlers
Pilowsky, Tammy; Yirmiya, Nurit; Gross-Tsur, Varda; Shalev, Ruth S. – Journal of Autism and Developmental Disorders, 2007
Neuropsychological functioning of 30 siblings of children with autism (AU-S), 28 siblings of children with mental retardation of (MR-S), and 30 siblings of children with developmental language delay (DLD-S) was compared. Two siblings, both AU-S, received diagnoses of pervasive developmental disorder (PDD). More siblings with cognitive disabilities…
Descriptors: Etiology, Siblings, Mental Retardation, Genetics