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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] Sensory abnormalities are also included in the diagnostic manuals ...
Classic autism, also known as childhood autism, autistic disorder, or Kanner's syndrome, is a formerly diagnosed neurodevelopmental disorder first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication as well as restricted, repetitive behaviors, activities, and interests.
The ICD-10 equivalents also became part of its definition of autism spectrum disorder, as of the ICD-11. PDD-NOS included atypical autism, a diagnosis defined in the ICD-10 for the case that the criteria for autistic disorder were not met because of late age of onset, or atypical symptomatology, or both of these. [5]
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: ...
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.
Autism Spectrum Disorder is a developmental disability that stems from differences in the brain. According to the Centers for Disease Control and Prevention (CDC) , known causes are often genetic ...
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 ...
This table indicates the lower levels of language processing, receptive/expressive disorders, which is more severe in children with autism. When autistic children speak, they are often difficult to understand, their language is sparse and dysfluent, they speak in single, uninflected words or short phrases, and their supply of words is severely ...