Journal article

Deconstructing the repetitive behaviour phenotype in autism spectrum disorder through a large population-based analysis

M Uljarević, MN Cooper, K Bebbington, EJ Glasson, MT Maybery, K Varcin, GA Alvares, J Wray, SR Leekam, AJO Whitehouse

Journal of Child Psychology and Psychiatry and Allied Disciplines | WILEY | Published : 2020

Abstract

Objective: Restricted and repetitive pattern of behaviours and interests (RRB) are a cardinal feature of autism spectrum disorder (ASD), but there remains uncertainty about how these diverse behaviours vary according to individual characteristics. This study provided the largest exploration to date of the relationship between Repetitive Motor Behaviours, Rigidity/Insistence on Sameness and Circumscribed Interests with other individual characteristics in newly diagnosed individuals with ASD. Method: Participants (N = 3,647; 17.7% females; Mage = 6.6 years [SD = 4.7]) were part of the Western Australian (WA) Register for ASD, an independent, prospective collection of demographic and diagnostic..

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University of Melbourne Researchers