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Pathological demand avoidance (PDA) or extreme demand avoidance (EDA) is a proposed disorder, and proposed sub-type of autism spectrum disorder, defined by characteristics such as a demand avoidance—which is a greater-than-typical refusal to comply with requests or expectations—and extreme efforts to avoid social demands.
Autism is a neurodevelopmental disorder characterized by impaired social interaction and communication, repetitive behaviours, restricted interests, and sensory processing issues. Uta Frith of University College London first advanced the weak central coherence theory in the late 1980s. [ 1 ]
Autism, or autism spectrum disorder [a] (ASD), is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior, interests, and activities; deficits in social communication and social interaction; and the presence of high or low sensory sensitivity.
Autism is a condition that many people have at least heard of and with good reason: It's estimated that 1 in every 44 8-year-old children in the U.S. has autism spectrum disorder, according to ...
Classic autism, also known as childhood autism, autistic disorder, (early) infantile autism, infantile psychosis, Kanner's autism, Kanner's syndrome, or (formerly) just autism, is a neurodevelopmental disorder first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication ...
The amygdala, cerebellum, and many other brain regions have been implicated in autism. [15]Unlike some brain disorders which have clear molecular hallmarks that can be observed in every affected individual, such as Alzheimer's disease or Parkinson's disease, autism does not have a unifying mechanism at the molecular, cellular, or systems level.
Autism Speaks – the world's largest autism advocacy organization that sponsors autism research and conducts awareness and outreach activities aimed at families, governments, and the public. Autistic Self Advocacy Network – a nonprofit advocacy organization run by and for individuals on the autism spectrum. ASAN holds that the goal of autism ...
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