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Highlights: [•] Comorbid psychopathology is common in individuals with ASD. [•] Comorbid symptoms are often an important and concurrent focus of treatment. [•] Many children who would meet DSM-IV-TR ASD criteria will not meet DSM-5 criteria. [•] Toddlers who met DSM-IV-TR criteria only still had significant comorbid symptoms. [•] It is important to consider treatment accessibility as DSM-5 ASD criteria are adopted. [Copyright &y& Elsevier]

Highlights: [•] Comorbid conditions with developmental disabilities are now well recognized. [•] Knowledge about comorbidity is growing rapidly. [•] How these comorbidities come about and are expressed are topics under current study. [•] New treatments and assessments are being rapidly developed. [Copyright &y& Elsevier]

Objective: Investigated the use of a combined scale (Worry/Depressed and Avoidant scales) from the Autism Spectrum Disorders-Comorbidity for Children ( ASD-CC) as a measure of anxiety. Alternative methods of measuring anxiety were examined using the ASD-CC in an ASD population. Methods: Participants included 147 children, age 2-16 years, evincing a mixture of behavior problems. Comparisons between scores on the ASD-CC and Behavior Assessment System for Children, Second Edition ( BASC-2) were examined to determine the most efficacious method of measuring anxiety and to establish convergent and discriminant validity. Results: The worry/depressed subscale was the most effective subscale of the ASD-CC to measure anxiety with proven incremental validity over the combined scale. Conclusion: The worry/depressed subscale is the best measure of anxiety utilizing the ASD-CC in children with an ASD. Additionally, convergent and discriminant validity was demonstrated by comparing the scale with similar and dissimilar scales of the BASC-2. [ABSTRACT FROM AUTHOR]

Highlights: [•] Research indicates that multiple disorders co-occur with autism. [•] Attention-deficit/hyperactivity disorder (AD/HD) is one of the most common comorbid conditions with autism. [•] Common biological and environmental factors between the disorders are being explored. [•] There is a need for test batteries that assess both conditions in those with autism. [ABSTRACT FROM AUTHOR]

Highlights: [•] The study examined comorbid rates in ASD, ADHD and comorbid ASD+ADHD group. [•] Comorbid ASD+ADHD group evinced higher rates of comorbid symptoms. [•] Comorbid ASD+ADHD group endorsed more severe comorbid symptoms. [ABSTRACT FROM AUTHOR]

In the typically developing population, co-occurring psychopathology is not uncommon and is a topic of importance among psychologists. It is only recently that the psychopathology in individuals with intellectual disability (ID) has become an area of significant clinical and research interest. Individuals with ID are believed to be at a greater risk for co-occurring disorders compared to the typical population. By definition, ID involves deficits in adaptive behavior, which necessitates the use of community services, or specialized services at residential facilities to manage severe challenging behaviors or psychiatric disorders. The presence of co-occurring disorders in addition to ID can complicate treatment, limit available services, and restrict opportunities for individuals with ID. The present study examines the prevalence of co-occurring psychiatric disorders and ID in a sample of 78 individuals with mild to moderate ID living in a long-term residential treatment facility diagnosed with psychiatric disorders. Certain psychiatric disorders were more likely to co-occur together in this population. Identifying and treating individuals with multiple psychopathologies in addition to ID poses challenges unique to the population. [ABSTRACT FROM AUTHOR]