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Asperger syndrome (AS), also known as Asperger's syndrome or Asperger's, is a diagnostic label that has historically been used to describe a neurodevelopmental disorder characterized by significant difficulties in social interaction and nonverbal communication, along with restricted, repetitive patterns of behavior and interests. [5]
A 2006 review questioned the common assumption that most children with autism have an intellectual disability. [51] 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]
Self-injurious behaviors are relatively common in autistic people, and can include head-banging, self-cutting, self-biting, and hair-pulling. [127] Some of these can result in serious injury or death. [127] Autistic people are about three times as likely as non-autistic people to engage in self-injury. [128]
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 ...
The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time.
The term Asperger syndrome typically excluded a general language delay. [19] Other differences noted in features of high-functioning autism and Asperger syndrome included the following: [12] [20] [21] [22] Lower verbal reasoning ability; Better visual/spatial skills (Being uniquely artistically talented) Less deviating locomotion (e.g. clumsiness)
Asperger was investigating Asperger syndrome which, for various reasons, was not widely considered a separate diagnosis until 1981, [90] although both are now considered part of ASD. Leo Kanner of the Johns Hopkins Hospital first used autism in English to refer to classic autism when he introduced the label early infantile autism in a 1943 ...
Asperger syndrome (9% of autism diagnoses); Rett syndrome; and; Childhood disintegrative disorder (CDD). The first three of these disorders are commonly called the autism spectrum disorders; the last two disorders are much rarer, and are sometimes placed in the autism spectrum and sometimes not. [2] [3]