Pervasive developmental disorder - Asperger syndrome; Autistic spectrum disorder - Asperger
Causes, Incidence, And Risk Factors
Hans Asperger labeled this disorder "autistic psychopathy" in 1944. The exact cause is unknown. More than likely, an abnormality in the brain is the cause of Asperger syndrome.
There is a possible link to autism, and genetic factors may play a role. The disorder tends to run in families. A specific gene has not been identified.
The condition appears to be more common in boys than in girls.
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