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Gepubliceerd in: Journal of Autism and Developmental Disorders 4/2020

02-01-2020 | Original Paper

The Network Structure of Irritability and Aggression in Individuals with Autism Spectrum Disorder

Auteurs: Tomoya Hirota, Marie Deserno, Eoin McElroy

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 4/2020

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Abstract

Irritability and aggression (IA) are highly prevalent in individuals with autism spectrum disorder (ASD). Although clinical correlates of IA in this population have been previously examined, findings from existing studies capturing symptoms as a set of latent variables do not fully explain meaningful associations between the symptoms themselves. In the present study, we conducted network analysis which conceptualizes mental health difficulties as a complex network of directly associated symptoms in 2612 individuals who were diagnosed with ASD through rigorous diagnostic assessment and who were enrolled in the Simons Simplex Collection. Using the Aberrant Behavior Checklist, a validated scale, we investigated the network structure of IA and tried to identify bridge symptoms that link IA and other symptom domains. In our analysis, irritability symptoms had stronger and more direct associations with other nodes than aggression symptoms did. Additionally, depressed mood and oppositionality were identified to function as bridge symptoms. The network structures did not differ between individuals with and without intellectual disability. Our findings indicate that addressing these bridge symptoms through integrated care combining different modalities of treatment could ease the complicated symptom network and thereby reduce IA symptoms in individuals with ASD.
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Metagegevens
Titel
The Network Structure of Irritability and Aggression in Individuals with Autism Spectrum Disorder
Auteurs
Tomoya Hirota
Marie Deserno
Eoin McElroy
Publicatiedatum
02-01-2020
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 4/2020
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-019-04354-w

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