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Autism in adults with severe intellectual disability: an empirical study of symptom presentation
- Authors:
- MATSON Johnny L., WILKINS Jonathan, ANCONA Martin
- Journal article citation:
- Journal of Intellectual and Developmental Disability, 33(1), March 2008, pp.36-42.
- Publisher:
- Taylor and Francis
The American study represents a first attempt to describe symptom patterns of autism for adults with severe ID. Fifty-seven adults with ID who met DSM-IV-TR and ICD-10 diagnostic criteria for autism were compared to 57 matched controls with ID only (no Axis I diagnosis). Marked differences were noted in a range of symptoms, particularly with respect to impairments in social interaction and restricted or repetitive behaviours and interests. These items were able to predict the presence or absence of autism at a high rate of diagnostic accuracy. Based on these findings, it appears that adults with ID and autism evince a distinct pattern of impairment when compared to controls with ID alone.
A validity study of the Screening Tool of Feeding Problems (STEP)
- Authors:
- KUHN David E., MATSON Johnny L.
- Journal article citation:
- Journal of Intellectual and Developmental Disability, 27(3), September 2002, pp.161-167.
- Publisher:
- Taylor and Francis
The Screening Tool of Feeding Problems (STEP) was developed as a means to identify feeding problems presented by persons with an intellectual disability, for diagnosis, treatment and evaluating treatment outcome. Rarely is assessment comprehensive and often problems are not identified until they are severe. Items for the scale were developed to target feeding problems identified in the literature in the areas of risk of aspiration, food selectivity, feeding skills deficits, food refusal and associated behaviour problems, and nutrition related behavior problems. The current study examines the validity of the STEP as a means to identify feeding problems.