Predictors of Language Acquisition in Preschool Children with Autism Spectrum Disorders |
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| Authors: | Audrey Thurm Catherine Lord Li-Ching Lee Craig Newschaffer |
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| Affiliation: | (1) Pediatric and Developmental Neuropsychiatry Branch, National Institute of Mental Health, 10 Center Drive MSC 1255, Building 10, 4N208, Bethesda, MD 20892-1255, USA;(2) University of Michigan Autism and Communication Disorders Center (UMACC), University of Michigan, Ann Arbor, MI, USA;(3) Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA;(4) Department of Epidemiology and Biostatistics, Drexel University School of Public Health, Philadelphia, PA, USA |
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| Abstract: | In 118 children followed from age 2 to 5 (59 with autism, 24 with PDD-NOS and 35 with non-spectrum developmental disabilities), age 2 and age 3 scores of non-verbal ability, receptive communication, expressive communication and socialization were compared as predictors of receptive and expressive language at age 5. Non-verbal cognitive ability at age 2 was generally the strongest predictor of age 5 language, while at age 3 communication scores were a stronger predictor of age 5 language for children with autism. Early joint attention as well as vocal and motor imitation skills were more impaired in children who did not develop language by age 5 (but had relatively strong non-verbal cognitive skills) than in children who did develop language by 5. |
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| Keywords: | Autism Language Preschool Predictors Outcome |
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