Psychiatric disorders in individuals with co-occurring autism spectrum disorders (ASD) and intellectual disability (ID) are common, but diagnosis presents many challenges. The Psychopathology in Autism checklist (PAC) is among the very few instruments specifically developed for this group of individuals. The psychometric properties of the PAC…

This study investigated risk factors for school absenteeism in a sample of 983 children in elementary and lower secondary schools in Denmark, using administrative data on absenteeism measured in the year following risk factor measurement. Risk factors were measured by survey (children and teachers) and register data. Two methods of determining…

There is considerable variability in the extent to which young people with developmental language disorder (DLD) experience mental health difficulties. What drives these individual differences remains unclear. In the current article, data from the Twin Early Development Study were used to investigate the genetic and environmental influences on…

Introduction: The current study aimed to investigate the psychological impact of the Turkey 2023 earthquakes on children with autism spectrum disorder (ASD) and their parents residing in Hatay, Sanliurfa, and Ankara provinces, encompassing the periods both before and after the Turkey 2023 earthquakes. Method: This cross-sectional, multicenter…

Several studies reported a higher prevalence of maladaptive behaviors in children and adolescents with visual impairments (that is, those who are blind or have low vision) compared with typically developing youths. Early studies reported that up to 57% of youths with visual impairments also have mental health problems. These include problems with…

Sexual abuse and peer victimization often co-occur and generate similar repercussions. The current study aimed to determine the extent to which child sexual abuse is associated to peer victimization. The unique contribution of these two distinct forms of victimization to the prediction of behavior problems was also investigated in a sample of 532…

Introduction: The presence of comorbid mental illness in individuals with intellectual and developmental disabilities (IDD) has been shown to have additional negative impact on parents and caregivers. However, the impact of such dual diagnoses on typically developing siblings has yet to be examined. Methods: Parents and typically developing…

Objective: This article aims at exploring distinctive hallmarks of autistic disorders compared to other groups presenting mimicking and/or overlapping conditions. Method: The exploratory study involved 196 children with autism, intellectual disability, language impairment and psycho-affective disorders previously referred to an autism diagnostic…

Background: People with intellectual disabilities often have a multitude of concurrent problems due to the combination of cognitive impairments, psychiatric disorders (particularly anxiety) and related challenging behaviours. Diagnoses in people with intellectual disabilities are complicated. This study evaluates the quality of the diagnoses and…

There is a high prevalence of mental health concerns among youth in the United States. School-based mental health counselling interventions maybe one way of addressing the mental health concerns of youth. This study investigated changes in students' behavioural and emotional problems scores and discipline referrals for those who participated in a…

Background: Preventing externalizing problems in children is a major societal concern, and a great number of intervention programs have been developed to this aim. To evaluate their preventive effects, well-controlled trials including follow-up assessments are necessary. Methods: This is a systematic review of the effect of prevention programs…

The new DSM-5 dimensional framework of Autism Spectrum Disorders (ASD) features severity ratings of social communication (SC) and restrictive/repetitive behaviors (RRB) and little research has been conducted since its inception. There has been a recent increase in the administration and adoption of broadband behavior-rating scales by clinicians,…

Little is known about the behavioral characteristics of adults with Down syndrome (DS) without dementia. The main purpose of this study was to investigate the psychopathology and social behavior among adults with DS compared to adults with nonspecific intellectual disability (NSID). Thirty-four adults with DS were individually matched with 34…

The purpose of the study was to evaluate the use of the iPod Touch™ as a Speech Generated Device (SGD) for Functional Communication Training (FCT). The evaluation of the effects on problem behavior, the effects on generalization and maintenance of the acquired communication repertoire, and the social initiations of peers between the new SGD (iPod…

Background: In individuals with posttraumatic stress disorder (PTSD), 70-90 % have at least one comorbid non-PTSD disorder. Objective: This study tested several hypotheses to untangle comorbidity issues. Following McMillen et al. ("Compr Psychiatry" 43(6):478-485, 2002), we hypothesized that few non-PTSD disorders would arise following…