Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 53, Issue 9, Pages 3636-3647Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-022-05620-0
Keywords
Autism; Schizophrenia; Social communication; Network analysis
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This study compared symptom organization in autism and schizophrenia spectrum disorders using a network analysis approach. Despite differences in overall symptom organization, both conditions showed high centrality of social communication difficulties. Restricted and repetitive behaviors were uniquely central in autism, while cognitive-perceptual symptoms were central in schizophrenia.
Autism (ASD) and schizophrenia spectrum disorders (SCZ) are neurodevelopmental conditions with overlapping and interrelated symptoms. A network analysis approach that represents clinical conditions as a set of nodes (symptoms) connected by edges (relations among symptoms) was used to compare symptom organization in the two conditions. Gaussian graphical models were estimated using Bayesian methods to model separate symptom networks for adults with confirmed ASD or SCZ diagnoses. Though overall symptom organization differed by diagnostic group, both symptom networks demonstrated high centrality of social communication difficulties. Autism-relevant restricted and repetitive behaviors and schizophrenia-related cognitive-perceptual symptoms were uniquely central to the ASD and SCZ networks, respectively. Results offer recommendations to improve differential diagnosis and highlight potential treatment targets in ASD and SCZ.
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