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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 ...
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.
Autism spectrum disorder is a disorder of the many parts of the brain. Structural changes are observed in the cortex, which controls higher functions, sensation, muscle movements, and memory. Structural defects are seen in the cerebellum too, which affect the motor and communication skills. [ 14 ]
Typical autism, the best-known; 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]
DALYs/DFLYs/QALYs: Disability or Quality Adjusted (or Free) Life Years: Suggests that a nondisabled person's life years are worth more than a disabled person's [26] The Disabled or Disabled people May be offensive to some, [1] [17] [22] who may prefer "person with a disability" or "people with health conditions or impairments". [7]
These differences in neural activity suggest that autistic individuals may rely less on mental state information, which is unobservable and abstract, when processing social interactions and more ...
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.
[5] [3] Lastly, there are multiple conditions that may present similarly to autism spectrum disorder, including intellectual disability, hearing impairment, a specific language impairment [6] such as Landau–Kleffner syndrome, [7] ADHD, anxiety disorder, and psychotic disorders. [8]