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Many anxiety disorders, such as social anxiety disorder and generalized anxiety disorder, are not commonly diagnosed in people with ASD because such symptoms are better explained by ASD itself, and it is often difficult to tell whether symptoms such as compulsive checking are part of ASD or a co-occurring anxiety problem. The prevalence of ...
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]
High-functioning autism (HFA) was historically an autism classification to describe a person who exhibited no intellectual disability but otherwise showed autistic traits, such as difficulty in social interaction and communication, as well as repetitive, restricted patterns of behavior. The term is often applied to autistic people who are ...
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: ...
In addition, many of the categories include a 'not otherwise specified' subtype, where enough symptoms are present but not in the main recognized pattern; in some categories this is the most common diagnosis. Spectrum concepts used in research or clinical practice include the following. [1]
Syndromic autism represents about 25% of the total ASD cases. [4] [5] In most [quantify] cases, its etiology is known. [2] [4] Monogenic disorders are one of the causes of syndromic autism, which in this case are also known as monogenic autism spectrum disorders. They account for about 5% of the total ASD cases.
Baron-Cohen says that tests of the E–S model show that twice as many females than males are Type E and twice as many males than females are Type S. 65% of people with autism spectrum conditions are Extreme Type S. [6] The concept of the Extreme Type E brain has been proposed; however, little research has been conducted on this brain profile. [31]
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