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Autism spectrum disorder (ASD) or simply autism is a neurodevelopmental disorder that begins in early childhood, persists throughout adulthood, and is characterized by difficulties in social communication and restricted, repetitive patterns of behavior. [1]
Psychologist Bruno Bettelheim believed that autism was linked to early childhood trauma, and his work was highly influential for decades both in the medical and popular spheres. In his discredited theory, he blamed the mothers of individuals with autism for having caused their child's condition through the withholding of affection. [ 180 ]
The study found a far lower autism rate in younger adults than in children, but it also found that autism is increasing at a faster pace among those adults. The rate of autism for adults ages 26 ...
Although linked with early childhood, the symptoms can appear later as well. Symptoms can be detected before the age of two and experienced practitioners can give a reliable diagnosis by that age. However, official diagnosis may not occur until much older, even well into adulthood.
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 term regressive autism refers to the appearance that neurological development has reversed; it is actually only the affected developmental skills, rather than the neurology as a whole, that regresses. Usually, the apparent onset of regressive autism can be surprising and distressing to parents, who often initially suspect severe hearing ...
PDD-NOS included atypical autism, a diagnosis defined in the ICD-10 for the case that the criteria for autistic disorder were not met because of late age of onset, or atypical symptomatology, or both of these. [5] Even though PDD-NOS was considered milder than typical autism, this was not always true. While some characteristics may be milder ...
How common is it to be diagnosed with autism as an adult? An estimated 5.4 million (or 2.21%) of adults in the U.S. have autism spectrum disorder, according to the Centers for Disease Control and ...