| ICD9 = | ICDO = | OMIM = 608638 | MedlinePlus = 001549 | eMedicineSubj = ped | eMedicineTopic = 147 | }} Asperger syndrome (U.S. pronunciation /, also called Asperger's syndrome, Asperger's disorder, Asperger's or AS) is one of several autism spectrum disorders (ASD) characterized by difficulties in social interaction and by restricted, stereotyped interests and activities. AS is distinguished from the other ASDs in having no general delay in language or cognitive development. Although not mentioned in standard diagnostic criteria, motor clumsiness and atypical use of language are frequently reported. Asperger syndrome was named after Hans Asperger who, in 1944, described children in his practice who lacked nonverbal communication skills, failed to demonstrate empathy with their peers, and were physically clumsy. Fifty years l

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