This study aimed at analyzing the differences in challenging behaviors between adults with intellectual disability and ASD and those who only had intellectual disability, as well as to explore associations between transdiagnostic and clinical variables to these differences. Therapists and educators of 163 adults with intellectual disability (83…

Introduction: Challenging behaviors are common in individuals with developmental disabilities and pose significant challenges to their well-being and that of their families and communities. Method: We explored the occurrence and predictors of self-injurious behavior and aggressive/destructive behavior in 372 Canadian youths (aged 4-20 years) with…

The main goals of this study were to determine the prevalence, frequency and severity of challenging behaviour in people with profound intellectual and multiple disabilities (PIMD). Because in the literature several health problems and sensory impairments are associated with the onset and existence of challenging behaviour, this relationship was…

All 1,101 clients with mental retardation residing in about 120 group homes of a residential service agency were surveyed on one date for usage of psychotropic medication. Findings indicated 27 percent had received one or more psychotropic drugs for behavioral or emotional disorders. Diagnoses such as psychosis and mood disorder and certain target…

Ratings of 224 students with serious emotional disturbances by 40 teachers indicated that conduct disorders were very prevalent, were correlated with other problematic aspects of temperament and classroom competence, and co-occurred with other types of behavioral problems. Implications of the study for making eligibility decisions for special…

Investigation of episodes of injury and personal characteristics among 412 individuals with mental retardation living in Intermediate Care Facilities found that 16% of the group experienced 67% of injuries. Individuals taking antipsychotics, having higher maladaptive behavior scores, and having relatively higher levels of adaptive behavior were…

A state (California) database of 78,603 individuals with mental retardation receiving state services was examined to determine relations between behavior problems, residential placement patterns, and other characteristics, and the likelihood of being dually diagnosed. Extrapunitive maladaptive behaviors, cognitive abilities, and social skills were…

This study with 65 individuals with mental retardation and additional seizure and/or psychiatric or behavioral disorders found that 9.2 percent experienced medication (carbamazepine) side effects, ranging from irritability to mania. More side effects were experienced by individuals with behavioral or psychiatric disorders than by those with an…

An ecological study was made of persistent repetitious movements by 12 developmentally disabled adults in a horticultural day work program. Fewer dysfunctional patterns occurred during times when staff were actively teaching than when the trainee was isolated or resting. Results argued for teaching skills in terms of coordinated response…

This study examined demographic and service delivery data derived from Individualized Education Programs of 153 elementary students with learning disabilities in a medium-sized city in northern Illinois. It specifically addressed family background, prevalence of secondary disabilities and health problems, behavioral and motivational…

This book is intended as a comprehensive source of information on the diagnosis and treatment of Asperger syndrome. Chapter 1 discusses major classification of characteristics and chapter 2 describes prevalence, comorbidity, and causal factors of Asperger syndrome. Chapter 3 examines clinical diagnosis and misdiagnosis and the influence of…