Recent worldwide epidemiological surveys of autism conducted in 37 countries are reviewed; the median prevalence of autism is 0.97% in 26 high-income countries. Methodological advances and remaining challenges in designing and executing surveys are discussed, including the effects on prevalence of variable case definitions and nosography, of…

Background: Individuals with autism spectrum disorder (ASD) form a heterogeneous group, posing a challenge for clinical definition. Additional problems regarding the diverse clinical presentation arise from changes in diagnostic criteria according to the latest Diagnostic and Statistical Manual of Mental Disorders (DSM-5), with exclusion of…

The Individuals with Disabilities Education Act (IDEA; P.L. 108-446) is the primary source of federal funding to states for the identification and education of children with disabilities. The majority of IDEA appropriations are allocated to states by formula to carry out activities under Part B, which covers 14 disability categories. Each state is…

Several authors have suggested that children with autism are impaired in their ability to imitate others. However, diverse methodologies, contradictory findings, and varying theoretical explanations continue to exist in the literature despite decades of research. A comprehensive account of imitation in children with autism is hampered by the lack…

The purpose of this article was to describe a taxonomy of pretend play for children with disabilities based on a systematic review of the literature to characterize pretend play. Thirty-seven studies were identified as measuring pretend play in children with disabilities. Several inconsistencies were found in the measurement of pretend play across…

In this article we review the empirical evidence for the presumptions that children with disabilities are at increased risk for child maltreatment, and parents with disabilities are more likely to perpetrate child abuse and neglect. Challenges to the epidemiological examination of the prevalence of child maltreatment and disabilities are…

The book contains five papers presented at a 1979 topical conference on the definition of emotional disturbance and behavioral disorders in educational settings. The first paper, by F. Wood, is titled "Defining Disturbing, Disordered, and Disturbed Behavior." Topics covered include ambivalence about defining deviant behavior by special educators,…

The document reports several policy options that address the issue of educating autistic children in rural and sparsely populated areas. A description of autistic children relates numerous problems, confusions, and disagreements about the nature and course of the handicap including lack of agreement about definition and treatment. The most…

Thirty females (ages 5-28) with autism also had many features of classic Rett syndrome (RS). The course of the disorder was more benign that in classic RS. A category of "Rett Complex" is proposed in which individuals have classic RS, but have a preserved speech variant. (Author/CR)

This article reviews the "Diagnostic and Statistical Manual of Mental Disorders-Forth Edition-Text Revision" and compares and contrasts the diagnostic criteria for individuals with autism with the educational requirements under the Individuals with Disabilities Education Act. Problems with using a dual classification system are…

There has been serious confusion between the terms "infantile autism" and "emotional disorders" in Japan, especially as pertains to special education classes. Special classes for emotionally disturbed children began in Japan in 1969 with a rapid increase to over 2000 classes by the 1980's. However, most of the children…

This article discusses the problem of over-including individuals in the autism classification. It argues that clinicians are doing a disservice to individuals who are given the diagnosis of autism by considering the group as a whole, without further efforts to subtype based on something other than behavioral characteristics. (Contains references.)…

This "Packet of Information for Professionals" (PIP) was developed for professionals who work with gifted and talented students who have an autism spectrum disorder (ASD). The purpose of PIP is to offer recommendations that will lead to a positive experience for twice-exceptional students who participate in specialized programs for…

This paper addresses the dilemma faced by the requirement that educators provide appropriate and effective education for higher functioning students with autism, while lacking the necessary knowledge to provide such interventions. The first section discusses the diagnosis of autism (especially noting the presence of a "triad" of deficits…