There is often a large time gap between caregivers' initial concerns and the diagnosis of autism spectrum disorder. The current study aimed to identify factors associated with missed or delayed autism spectrum disorder diagnoses among children in Colorado. In a surveillance-based sample of 8-year-old children with autism spectrum disorder (N=572),…

The rise in prevalence rates of children with ASD is well documented internationally. In the United Kingdom, Northern Ireland has consistently higher rates although the reasons for this are not clear. Using data from the annual school census that is held each year in Northern Ireland, changes in the numbers and prevalence rates of pupils…

The Hong Kong Chinese version of the Autism-Spectrum Quotient-Child and Autism-Spectrum Quotient-Adolescent were examined for their psychometric properties and specificity on screening autism spectrum disorder against attention-deficit/hyperactivity disorder. This study recruited three groups of participants: typically developing children;…

Food selectivity is the most commonly reported feeding problem in children with Autism Spectrum Disorder (ASD.) Schreck et al. (2004) surveyed 472 caregivers of children between 5 and 12 years of age. They found that 72% of those children diagnosed with ASD had feeding difficulties, significantly higher than same-age peers without ASD.…

This study aimed to identify determinants of a late autism spectrum disorder diagnosis, including diagnoses made 'very late' (i.e., in adolescence), using the Millennium Cohort Study, a nationally representative population-based cohort in the United Kingdom. Children diagnosed with autism spectrum disorder by age 14 (N = 581) were included and…

An administrator of an elementary school shares her experience with students exhibiting signs of twice-exceptionality.

Neurofibromatosis type 1 (NF1) is an inherited neurocutaneous disorder associated with neurodevelopmental disorders including autism spectrum disorder (ASD). The frequency of ASD/NF1 co-occurrence has been subject to debate since the 1980s. This relationship was investigated in a large population-based sample of 8-year-old children identified with…

The current study presents results from an autism spectrum disorder (ASD) public health surveillance project conducted in Minneapolis. The study was designed to compare ASD prevalence in Somali children (ages 7-9) to that of non-Somali children. The study adapted methodology used by the Centers for Disease Control and Prevention's Autism and…

The study presents neuropsychiatric profiles of children aged 11 with autism spectrum disorder, assessed before 4.5 years, and after interventions. The original group comprised a community sample of 208 children with ASD. Parents of 128 participated--34 with average intellectual function, 36 with borderline intellectual function and 58 with…

There are no epidemiological data on autism for Mexico. This study was conducted to generate a first estimate of ASD prevalence in Mexico. We surveyed children age eight in Leon (Guanajuato). The sample was stratified in two strata: (1) children having special education and medical records (SEMR; N = 432) and (2) children attending regular schools…

In the context of a trend towards inclusive practice in Irish primary schools, many teachers feel ill-equipped to cope with this new challenge. Scope exists within the Irish education system to transform mainstream schools into autistic spectrum disorder (ASD) friendly environments. Research into teacher perceptions of inclusion has found that…

The percentage of students educationally identified with autism spectrum disorder (ASD) is on the rise and school counselors are called to serve this population. Social stories are recommended in the educational literature to address the social and behavioral challenges of students with ASD, but a need exists to examine social stories within the…

This article reports on a 4-year follow-up study from the Learning Experiences and Alternative Program for Preschoolers and Their Parents (LEAP) randomized trial of early intervention for young children with autism. Overall, participants from LEAP classes were marginally superior to comparison class children on elementary school outcomes specific…

Background: In 2007 the Centers for Disease Control and Prevention (CDC) reported a higher prevalence of autism spectrum disorder (ASD) in New Jersey, one of the wealthiest states in the United States, than in other surveillance regions. Objective: To examine the association of socioeconomic status (SES) with ASD prevalence. Methods: Information…

This study examines the results of the Alternative Identification and Reporting (AIR) program, which promoted the nonuse of disability labels for students receiving special education under the Individuals with Disabilities Education Act (i.e., students who would previously have been identified as having an emotional/behavioral disorder, specific…