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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 ...
The Aspie world, as it is sometimes called, contains people with Asperger syndrome (AS) and high functioning autism (HFA), and can be linked to three historical trends: the emergence of AS and HFA as labels, the emergence of the disability rights movement, and the rise of the Internet. Autistic communities exist both online and offline; many ...
Many people who do not have an autism diagnosis have autistic traits (known by researchers as the "broad autism phenotype"), so there is no clear bimodal distribution separating people with and without autism. In reality there are not two distinct populations, one "neurotypical" and one "neurodivergent". [193]: 288
This condition later became known as attention deficit hyperactivity disorder (ADHD). Its 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. [206]
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
Autism rates tripled among children in the New York and New Jersey metropolitan area from 2000 to 2016, according to a study published Thursday in the journal Pediatrics.
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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