The interactions between sleep problems, autism symptoms and emotional and behavioural difficulties were explored using network analysis in 240 autistic children (mean age: 8.8 years, range 5-13 years) with moderate to severe sleep problems. Findings revealed a highly connected and interpretable network, with three separate clusters identified of…

Angelman Syndrome (AS) is a neurodevelopmental disorder most commonly caused by the impaired expression of the maternal "UBE3A" gene on chromosome 15. Though anxiety has been identified as a frequently present characteristic in AS, there are limited studies examining anxiety in this population. Studies of anxiety in other…

Introduction: Individual social status among peers (i.e., acceptance and rejection) has important implications for students' social and academic development. The present study investigates the role of individual problem behavior and classroom norms in the development of acceptance and rejection among students with intellectual disabilities (ID) in…

Background: The Developmental Behaviour Checklist (DBC) is an established, internationally used questionnaire for assessing behavioural and emotional problems among young people with developmental or intellectual disabilities (ID). The present study aims to evaluate the psychometric properties of its German teacher version (DBC-T). Method: The…

Smith-Magenis syndrome (SMS) is a genetic syndrome most often caused by a deletion on chromosome 17 or more rarely by a mutation in the retinoic acid-induced 1 gene. The aim of this study was to investigate the Developmental Behavior Checklist (DBC) profile of persons with SMS and the associations between behavioural and emotional problems, age,…

High levels of emotional/behavioural difficulties are frequently reported in children on the autism spectrum. However, given the diversity in profiles, there is a need to explore such behaviours in relation to individual factors. Parents of 130 children aged 4-5 on the autism spectrum completed measures of behaviour and adaptive behaviour.…

Background: Traditional treatment for the behavioural symptoms in autism spectrum disorder (ASD) remains unsatisfactory. There is an urgent need for new, biologically relevant therapies that target both the core and comorbid symptoms that children may experience. This article builds on research previously published by the authors. Method: We…

Despite the prevalence of studies showing increased stress among mothers of individuals with autism spectrum disorders, few studies have examined general stress among typically developing siblings. This study used an online survey to compare the levels of self-reported stress between adolescent siblings of individuals with autism spectrum disorder…

Children with autism spectrum disorders often exhibit comorbid behavioral problems. These problems have an impact on the severity of the core symptoms, the progression of the disorder as well as on the families' quality of life. We evaluated the effectiveness of the Stepping Stones Triple P group parent training program as a supplementary…