Characteristics of autism spectrum disorder in Cornelia de Lange syndrome.

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Characteristics of autism spectrum disorder in Cornelia de Lange syndrome. / Moss, Joanna; Howlin, P; Magiati, I; Oliver, Christopher.

In: Journal of Child Psychology and Psychiatry, Vol. 53, 10.04.2012, p. 882-891.

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@article{94b00dcdddc94cb281d8230703c9ef4a,
title = "Characteristics of autism spectrum disorder in Cornelia de Lange syndrome.",
abstract = "Background:  The prevalence of autism spectrum disorder (ASD) symptomatology is comparatively high in Cornelia de Lange syndrome (CdLS). However, the profile and developmental trajectories of these ASD characteristics are potentially different to those observed in individuals with idiopathic ASD. In this study we examine the ASD profile in CdLS in comparison to a matched group of individuals with ASD. Method:  The Autism Diagnostic Observation Schedule (ADOS) was administered to 20 individuals with CdLS (mean age = 11.34; range = 6-13 years) and 20 individuals with idiopathic ASD (mean age = 10.42; range = 8-11 years). Participants were matched according to adaptive behaviour and receptive language skills. Results:  Sixty-five percent (N = 13) of individuals with CdLS met the cut-off score for autism on the total ADOS score. Further analysis at domain and item level indicated that individuals with CdLS showed significantly less repetitive behaviour, (specifically sensory interests); more eye contact, more gestures and less stereotyped speech than the ASD group. The CdLS group also showed higher levels of anxiety. Conclusions:  The comparison between CdLS and idiopathic ASD indicates subtle group differences in the profile of ASD symptomatology that are not accounted for by degree of intellectual disability or receptive language skills. These differences may not be evident when relying solely upon clinical and domain level scores, but may be distinguishing features of the ASD presentations in the two disorders. The findings have implications for the conceptualisation and assessment of ASD in individuals with genetic syndromes.",
keywords = "Autism Spectrum Disorder, Cornelia de Lange Syndrome, behavioural phenotypes, genetic syndromes, neurodevelopmental disorders",
author = "Joanna Moss and P Howlin and I Magiati and Christopher Oliver",
year = "2012",
month = "4",
day = "10",
doi = "10.1111/j.1469-7610.2012.02540.x",
language = "English",
volume = "53",
pages = "882--891",
journal = "Journal of Child Psychology and Psychiatry",
issn = "0021-9630",
publisher = "Wiley",

}

RIS

TY - JOUR

T1 - Characteristics of autism spectrum disorder in Cornelia de Lange syndrome.

AU - Moss, Joanna

AU - Howlin, P

AU - Magiati, I

AU - Oliver, Christopher

PY - 2012/4/10

Y1 - 2012/4/10

N2 - Background:  The prevalence of autism spectrum disorder (ASD) symptomatology is comparatively high in Cornelia de Lange syndrome (CdLS). However, the profile and developmental trajectories of these ASD characteristics are potentially different to those observed in individuals with idiopathic ASD. In this study we examine the ASD profile in CdLS in comparison to a matched group of individuals with ASD. Method:  The Autism Diagnostic Observation Schedule (ADOS) was administered to 20 individuals with CdLS (mean age = 11.34; range = 6-13 years) and 20 individuals with idiopathic ASD (mean age = 10.42; range = 8-11 years). Participants were matched according to adaptive behaviour and receptive language skills. Results:  Sixty-five percent (N = 13) of individuals with CdLS met the cut-off score for autism on the total ADOS score. Further analysis at domain and item level indicated that individuals with CdLS showed significantly less repetitive behaviour, (specifically sensory interests); more eye contact, more gestures and less stereotyped speech than the ASD group. The CdLS group also showed higher levels of anxiety. Conclusions:  The comparison between CdLS and idiopathic ASD indicates subtle group differences in the profile of ASD symptomatology that are not accounted for by degree of intellectual disability or receptive language skills. These differences may not be evident when relying solely upon clinical and domain level scores, but may be distinguishing features of the ASD presentations in the two disorders. The findings have implications for the conceptualisation and assessment of ASD in individuals with genetic syndromes.

AB - Background:  The prevalence of autism spectrum disorder (ASD) symptomatology is comparatively high in Cornelia de Lange syndrome (CdLS). However, the profile and developmental trajectories of these ASD characteristics are potentially different to those observed in individuals with idiopathic ASD. In this study we examine the ASD profile in CdLS in comparison to a matched group of individuals with ASD. Method:  The Autism Diagnostic Observation Schedule (ADOS) was administered to 20 individuals with CdLS (mean age = 11.34; range = 6-13 years) and 20 individuals with idiopathic ASD (mean age = 10.42; range = 8-11 years). Participants were matched according to adaptive behaviour and receptive language skills. Results:  Sixty-five percent (N = 13) of individuals with CdLS met the cut-off score for autism on the total ADOS score. Further analysis at domain and item level indicated that individuals with CdLS showed significantly less repetitive behaviour, (specifically sensory interests); more eye contact, more gestures and less stereotyped speech than the ASD group. The CdLS group also showed higher levels of anxiety. Conclusions:  The comparison between CdLS and idiopathic ASD indicates subtle group differences in the profile of ASD symptomatology that are not accounted for by degree of intellectual disability or receptive language skills. These differences may not be evident when relying solely upon clinical and domain level scores, but may be distinguishing features of the ASD presentations in the two disorders. The findings have implications for the conceptualisation and assessment of ASD in individuals with genetic syndromes.

KW - Autism Spectrum Disorder

KW - Cornelia de Lange Syndrome

KW - behavioural phenotypes

KW - genetic syndromes

KW - neurodevelopmental disorders

U2 - 10.1111/j.1469-7610.2012.02540.x

DO - 10.1111/j.1469-7610.2012.02540.x

M3 - Article

C2 - 22490014

VL - 53

SP - 882

EP - 891

JO - Journal of Child Psychology and Psychiatry

JF - Journal of Child Psychology and Psychiatry

SN - 0021-9630

ER -