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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 ...
In a group of 490 children in California with elevated risk of autism spectrum disorder, the test was able to rule it out with about 92.5% accuracy, the company said. However, the results have not ...
The Japanese practice is to screen all children for ASD at 18 and 24 months, using autism-specific formal screening tests. [28] In contrast, in the UK, children whose families or doctors recognize possible signs of autism are screened. It is not known which approach is more effective.
Signs of autism are highly variable, and different individuals will have a different mix of traits. Some more common traits include: Avoidance of eye contact – preference to avoid eye contact and feelings of fear or being overwhelmed when looking into someone's eyes; Developmental delay – slower acquisition of life skills
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.
The biological basis of autism is unknown. However, the most obvious signs of autism, such as atypical social and language development, and restricted or repetitive behaviors and interests, often present themselves between the ages of two and three, and most children with ASD can be diagnosed in early childhood as a result.