This study aimed to describe the behavioral profile of individuals with SYNGAP1-ID. Parents/carers of 30 individuals aged 3-18 years old with a diagnosis of SYNGAP1-ID and 21 typically developing individuals completed the Vineland-3 Adaptive Behavior Scale and the Child Behavior Checklist. We found that those with SYNGAP1-ID showed fewer adaptive…

Background: Children with intellectual disability are at greater risk of developing anxiety than the general population. Limited research has examined the challenges associated with recognising and responding to anxiety in children with intellectual disability, and its perceived impact. Aim: This study aimed to explore anxiety in children with…

Introduction: Mental health assessment in autistic individuals with intellectual disabilities may be challenging. Findings from non-autistic samples indicate overlap between obsessive-compulsive disorder (OCD) and psychotic disorder/schizophrenia, but little is known about this potential overlap in autistic people. Methods: Explorative,…

Stuttering and other developmental disorders are known to affect more male than female children. The present study compared: (1) stuttering prevalence in males and females at discrete ages and (2) prevalence of coexisting developmental disorders in male and female children who stutter (CWS). Data were obtained from the National Health Interview…

Background: Subjects with intellectual disability (ID) are vulnerable to experience psychiatric disorders. The present authors performed a systematic review and meta-analysis to estimate the prevalence of co-occurring psychiatric disorders, excluding co-occurring autism spectrum disorders, in subjects with intellectual disability. Method: The…

Autism spectrum disorder and intellectual disability are associated with psychiatric comorbidities, yet a 2009 study of US child and adolescent psychiatry program directors indicated that psychiatry residents receive insufficient training in autism spectrum disorder/intellectual disability. This follow-up study surveyed child and adolescent…

The literature from inception to 2020 on the prevalence of epilepsy in autistic individuals was systematically reviewed and further explored by subgroup analyses and meta-regression models. This systematic review is registered with PROSPERO (CRD42020179725). A total of 66 studies from 53 articles were included. The updated pooled prevalence of…

Background: We examined differences in food selectivity by gender and parent race/ethnicity in children with intellectual disabilities. Method: A convenience sample of 56 children with intellectual disabilities was analysed. A modified Youth/Adolescent Food Frequency Questionnaire and a 3-day food record were used to measure child food refusal…

Psychiatric disorders are common in youth with intellectual and developmental disabilities. This is a vulnerable group of children whose behavioural problems often have more complicated care needs than other children, which can place a great deal of stress on their families. However, the association of family mental health issues, level of…

The aim of the article is to provide new insights into the lives of severely intellectually disabled children who are living in Norwegian small group homes. The research question is designed to address how these children, who have limited verbal language, initiate communication in order to participate in everyday life in an institutional setting.…

Introduction: Anxiety disorders are highly prevalent in individuals with autism spectrum disorder (ASD), but knowledge is limited regarding identification and treatment of these disorders in individuals with ASD and more severe levels of intellectual disability (ID). The current case study aims to explore and describe the inpatient, psychiatric…

Greater understanding can increase our knowledge and intervention effectiveness for activity participation problems of children with disabilities. We examined participation difficulties of children with autism spectrum disorders (ASD) and intellectual disabilities (ID) in the 2011 Survey of Pathway to Diagnosis and Services. We utilized propensity…

Many researchers and practitioners cite concerns with maintenance and generalization as a serious issue for individuals with autism spectrum disorders (ASD), although few studies explicitly target performance of behaviors outside training environments. After an initial intervention failed to produce robust generalization outcomes, the present…

Background: The aim was to investigate the aggressive behavior of young people in specialized institutions with intellectual disability (ID) with or without autism spectrum disorder (ASD). Method: Data on 305 institutionalized young people were collected using two aggression scales, the 'Children's Scale of Hostility and Aggression:…

Purpose: Question-asking serves as a tool to learn new information and is important in both academic and social settings. Boys with idiopathic autism spectrum disorder (ASD) and boys with fragile X syndrome and comorbid ASD (FXS + ASD) have similar social communication deficits, which may have downstream effects on their question-asking ability.…