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Prevalence of Autism Spectrum Disorders
Persons with an autism spectrum disorder (ASD) have impairments in social, communicative, and behavior development that typically are present before age 3 years and that often are accompanied by abnormalities in cognitive functioning, learning, attention, and sensory processing. Autism was thought previously to be rare, but during the 1990s, the number of persons reported to be receiving services for ASDs increased substantially . -
Prevalence of Autism Spectrum Disorders --- Autism and Developmental Disabilities Monitoring Network
his report presents results for 2006 from 11 ADDM Network sites§ and describes updated ASD prevalence overall and by race or ethnicity, sex, level of cognitive functioning, ASD subtype, and multiple associated characteristics. Because 10 sites (Alabama, Arizona, Colorado, Georgia, Maryland, Missouri, North Carolina, Pennsylvania, South Carolina, and Wisconsin) also collected data on ASD prevalence in 2002 (12), changes in identified ASD prevalence in these sites are also reported -
Autism Classification - special learning
Autism is a term commonly used to pertain to all disorders under the Autism Spectrum Disorder Umbrella. This misconception about autism often leads to stereotyping. As of 2010, there are 5 classifications of autism: Autistic disorder, Asperger Syndrome, Pervasive Developmental Disorder – Not Otherwise Specified (PDD-NOS), Childhood Disintegrative Disorder (CDD) and Rett Syndrome (NICHD, 2010). -
Classification of Autism in Young Children by Erin Barton
Autism is a neurobiological development disorder, meaning it is caused by disorders or impairments in the brain or CNS. In general, neurodevelopmental disorders are associated with mental, emotional, and physical impairments. -
Autism Classification - mews medical
Autism has a wide range of severity and symptoms that is often used to classify the Autism Spectrum disorders. Each of the syndromes under ASD is different from the other. For example, people with Asperger syndrome have no substantial delay in language development. -
How Autism Diagnoses Changed Under New Diagnostic Criteria (DSM 5)
The publication of the fifth edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-5) in May 2013 had a huge impact on autism spectrum disorders (ASDs). Asperger syndrome and PDD-NOS disappeared as medical diagnoses, new criteria are now used to diagnosed ASD, and a new diagnostic category called "Social Communication Disorder" has been developed which incorporates some of the symptoms of autism.