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Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11]
This category includes autism spectrum disorder (ASD), obsolete terms for ASD, and disorders which result in ASD. It does not include common co-morbidities (e.g. ADHD), symptoms associated with ASD (e.g. caetextia), or disorders otherwise associated with ASD (e.g. social (pragmatic) communication disorder).
PDD-NOS was one of four disorders collapsed into the diagnosis of autism spectrum disorder in the DSM-5, [3] and also was one of the five disorders classified as a pervasive developmental disorder (PDD) in the DSM-IV. [4] The ICD-10 equivalents also became part of its definition of autism spectrum disorder, as of the ICD-11.
While the symptoms of this group of brain development disorders vary, these are signs that a person may be on the autism spectrum. Skip to main content. 24/7 Help. For premium support please call: ...
It is possible that the association between an intellectual disability and autism is not because they usually have common causes, but because the presence of both makes it more likely that both will be diagnosed. [52] The CDC states that based on information from 11 reporting states 46% of people with autism have above 85 IQ. [53]
The American Psychiatric Association has concluded that using the general diagnosis of ASD supports more accurate diagnoses. The grouping of these disorders into ASD also reflects that autism is characterized by common symptoms and should therefore bear a single diagnostic term.
A 2003 review of epidemiological studies of children found autism rates ranging from 0.03 to 4.84 per 1,000, with the ratio of autism to Asperger syndrome ranging from 1.5:1 to 16:1; [142] combining the geometric mean ratio of 5:1 with a conservative prevalence estimate for autism of 1.3 per 1,000 suggests indirectly that the prevalence of AS ...
Autism Speaks – the world's largest autism advocacy organization that sponsors autism research and conducts awareness and outreach activities aimed at families, governments, and the public; some have argued that it is exploitative and unkind. Gluten-free, casein-free diet – diet that eliminates dietary intake of gluten and casein.