hello, Asperger disorder is characterized by impairment in social interaction and restricted interest/repetitive behaviors. Individuals with Asperger disorder should not have significant delays in cognitive, language, or self-help skills. It differs from other autism spectrum disorders by its relative preservation of linguistic and cognitive development. exact cause is unknown, although research supports the likelihood of a genetic basis. There is no single treatment, treatment is aimed at improving symptoms and function. behavioral therapy is mainstay of therapy.