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Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior, interests, and activities; deficits in social communication and social interaction; and the presence of high or low sensory sensitivity.
This condition later became known as attention deficit hyperactivity disorder (ADHD). It's symptoms were first described by German doctor Melchior Adam Weikard in 1775. The concept of child hyperactivity or hyperkinetic behaviour became established in the United States in the 1930s. Around 50-70% of people with ASD also have ADHD. [197]
Autism, also called autism spectrum disorder (ASD) or autism spectrum condition (ASC), is a neurodevelopmental disorder characterized by symptoms of deficient reciprocal social communication and the presence of restricted, repetitive, and inflexible patterns of behavior. While its severity and specific manifestations vary widely across the ...
Autism rights movement (ARM) – (a subset of the neurodiversity movement, also known as the anti-cure movement or autistic culture movement) is a social movement that encourages autistic people, their caregivers and society to adopt a position of neurodiversity, accepting autism as a variation in functioning rather than a mental disorder to be ...
Gastrointestinal problems are one of the most commonly associated medical disorders in people with autism. [108] These are linked to greater social impairment, irritability, behavior and sleep problems, language impairments and mood changes, so the theory that they are an overlap syndrome has been postulated.
Autism was not recognized until the 1980s in China. The estimated prevalence of autism is 11.8 per 10,000 people while the estimated prevalence of autism spectrum conditions is 26.6 per 10,000 people. In Japan, recent estimates of autism spectrum are as high as 13 per 10,000 people. This suggests that autism is more common in Asia than ...
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World Autism Day, also called World Autism Awareness Day, is marked on 2 April. It was designated by the United Nations General Assembly at the end of 2007. [93] On 2 April 2009, activists left 150 strollers near Central Park in New York City to raise awareness that one in 150 children is estimated to be autistic. [94] There are many ...