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Gepubliceerd in: Journal of Autism and Developmental Disorders 9/2015

03-04-2015 | Original Paper

Stability and Change in the Cognitive and Adaptive Behaviour Scores of Preschoolers with Autism Spectrum Disorder

Auteurs: Helen E. Flanagan, Isabel M. Smith, Tracy Vaillancourt, Eric Duku, Peter Szatmari, Susan Bryson, Eric Fombonne, Pat Mirenda, Wendy Roberts, Joanne Volden, Charlotte Waddell, Lonnie Zwaigenbaum, Teresa Bennett, Mayada Elsabbagh, Stelios Georgiades

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 9/2015

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Abstract

We examined the stability of cognitive and adaptive behaviour standard scores in children with autism spectrum disorder (ASD) between diagnosis and school entry approximately age 6. IQ increased 18 points in 2-year-olds, 12 points in 3-year-olds, and 9 points in 4-year-olds (N = 281). Adaptive behaviour scores increased 4 points across age groups (N = 289). At school entry, 24 % of children met criteria for intellectual disability (cognitive and adaptive behaviour scores <70). No children with both scores ≥70 at diagnosis later met criteria for intellectual disability. Outcomes were more variable for children with initial delays in both areas (in 57 %, both scores remained <70). Findings are relevant to clinical decision-making, including specification of intellectual disability in young children with ASD.
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Metagegevens
Titel
Stability and Change in the Cognitive and Adaptive Behaviour Scores of Preschoolers with Autism Spectrum Disorder
Auteurs
Helen E. Flanagan
Isabel M. Smith
Tracy Vaillancourt
Eric Duku
Peter Szatmari
Susan Bryson
Eric Fombonne
Pat Mirenda
Wendy Roberts
Joanne Volden
Charlotte Waddell
Lonnie Zwaigenbaum
Teresa Bennett
Mayada Elsabbagh
Stelios Georgiades
Publicatiedatum
03-04-2015
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 9/2015
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-015-2433-6

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