Spectrum or subtypes? A latent profile analysis of restricted and repetitive behaviours in autism

Zheng, L; Grove, R; Eapen, V

Spectrum or subtypes? A latent profile analysis of restricted and repetitive behaviours in autism

Zheng, L Grove, R

Eapen, V

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Publication Type:: Journal Article
Citation:: Research in Autism Spectrum Disorders, 2019, 57 pp. 46 - 54
Issue Date:: 2019-01-01

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Field	Value	Language
dc.contributor.author	Zheng, L	en_US
dc.contributor.author	Grove, R https://orcid.org/0000-0001-6669-9385	en_US
dc.contributor.author	Eapen, V	en_US
dc.date.issued	2019-01-01	en_US
dc.identifier.citation	Research in Autism Spectrum Disorders, 2019, 57 pp. 46 - 54	en_US
dc.identifier.issn	1750-9467	en_US
dc.identifier.uri	http://hdl.handle.net/10453/129604
dc.description.abstract	© 2018 Elsevier Ltd Background: Autism Spectrum Disorder (ASD) is a heterogeneous condition. One way of understanding this heterogeneity is by investigating whether homogenous subgroups within the autism population exist. Some studies have attempted to do this by looking at social and communication skills. However, few studies have looked at subtyping using restricted and repetitive behaviours. While restricted and repetitive behaviours form part of the core features of autism, their presentation is diverse across different individuals on the spectrum. The aim of this study was to determine if restricted and repetitive behaviours could be used to identify potential subtypes of autism. Method: This study used unsupervised clustering algorithms to differentiate subgroups of individuals on the autism spectrum based on their scores on the Repetitive Behaviour Scale-Revised (RBS-R). Results: Three groups were found that reported low, medium and high levels of restricted and repetitive behaviours. These groups also differed on a range of clinical measures including problematic behaviours, autistic traits and adaptive behaviours. Conclusions: Our findings indicate that subgroups of individuals with autism can be identified based on their level of restricted and repetitive behaviours. This highlights that restricted and repetitive behaviours may be best understood under a dimensional continuum of severity. This has implications for our understanding of the non-social characteristics of autism.	en_US
dc.relation.ispartof	Research in Autism Spectrum Disorders	en_US
dc.relation.isbasedon	10.1016/j.rasd.2018.10.003	en_US
dc.subject.classification	Rehabilitation	en_US
dc.title	Spectrum or subtypes? A latent profile analysis of restricted and repetitive behaviours in autism	en_US
dc.type	Journal Article
utslib.citation.volume	57	en_US
utslib.for	1701 Psychology	en_US
utslib.for	1303 Specialist Studies in Education	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Graduate School of Health
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	57	en_US

Abstract:

© 2018 Elsevier Ltd Background: Autism Spectrum Disorder (ASD) is a heterogeneous condition. One way of understanding this heterogeneity is by investigating whether homogenous subgroups within the autism population exist. Some studies have attempted to do this by looking at social and communication skills. However, few studies have looked at subtyping using restricted and repetitive behaviours. While restricted and repetitive behaviours form part of the core features of autism, their presentation is diverse across different individuals on the spectrum. The aim of this study was to determine if restricted and repetitive behaviours could be used to identify potential subtypes of autism. Method: This study used unsupervised clustering algorithms to differentiate subgroups of individuals on the autism spectrum based on their scores on the Repetitive Behaviour Scale-Revised (RBS-R). Results: Three groups were found that reported low, medium and high levels of restricted and repetitive behaviours. These groups also differed on a range of clinical measures including problematic behaviours, autistic traits and adaptive behaviours. Conclusions: Our findings indicate that subgroups of individuals with autism can be identified based on their level of restricted and repetitive behaviours. This highlights that restricted and repetitive behaviours may be best understood under a dimensional continuum of severity. This has implications for our understanding of the non-social characteristics of autism.

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http://hdl.handle.net/10453/129604