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- Title
Support for a Dimensional View of Autism Spectrum Disorders in Toddlers.
- Authors
Wiggins, Lisa; Robins, Diana; Adamson, Lauren; Bakeman, Roger; Henrich, Christopher
- Abstract
We examined whether clinically distinct subgroups can be derived from a sample of toddlers ( n = 186) who failed the Modified Checklist for Autism in Toddlers, received a comprehensive clinical evaluation, and were diagnosed with an autism spectrum disorder (ASD). Three subgroups emerged from cluster analysis distinguished by (a) social, communication, and intellectual skills and (b) the rate and intensity of repetitive behaviors and abnormal sensory response. Preoccupations, compulsions, and rituals did not distinguish resultant subgroups. These results support a dimensional diagnostic view of ASDs in toddlers since subgroup differences were based on symptom severity rather than different symptom profiles. Results also identify specific types and levels of behavioral deficit relevant to toddler populations. Implications for early diagnosis are discussed.
- Subjects
DIAGNOSIS of autism; AUTISM; ASPERGER'S syndrome; AUTISM spectrum disorders; ANALYSIS of variance; CHILD development; CLUSTER analysis (Statistics); EPIDEMIOLOGY; INTERVIEWING; RESEARCH methodology; SCALE analysis (Psychology); SCALES (Weighing instruments); STATISTICS; LOGISTIC regression analysis; DATA analysis; EARLY diagnosis; DESCRIPTIVE statistics; CHILDREN; DIAGNOSIS
- Publication
Journal of Autism & Developmental Disorders, 2012, Vol 42, Issue 2, p191
- ISSN
0162-3257
- Publication type
Article
- DOI
10.1007/s10803-011-1230-0