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Kjellmer, Liselotte; Hedvall, Asa; Fernell, Elisabeth; Gillberg, Christopher; Norrelgen, Fritjof – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
This study examined the contribution of cognitive function, severity of autism, and adaptive functioning to the variability in language and communication skills in 129 preschool children (aged 24-63 months) with autism spectrum disorder (ASD). Participants were selected from a representative research cohort of 208 preschool children on the basis…
Descriptors: Autism, Pervasive Developmental Disorders, Preschool Children, Severity (of Disability)
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Vanvuchelen, M.; Feys, H.; De Weerdt, W. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
The emergence of the Down syndrome (DS) behavioural phenotype during early development may be of great importance for early intervention. The main goal of this study was to investigate the good-imitator-poor-talker developmental profile in DS at preschool age. Twenty children with Down syndrome (DS; mean nonverbal mental age NMA 1 y10 m) and 15…
Descriptors: Early Intervention, Language Acquisition, Imitation, Down Syndrome