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Autism Spectrum Disorders Health Center

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Asperger's Disorder

Asperger's disorder, also called Asperger's syndrome, is a type of pervasive developmental disorder (PDD) as defined by the American Psychiatric Association.¹Asperger's disorder is similar to high-functioning autism in how it affects a child's mannerisms and socialization traits.

A distinction between Asperger's disorder and autism is that young children with Asperger's have normal language development, although the rhythm, pitch, and emphasis are irregular. Unlike autism, Asperger's disorder does not delay other aspects of development. A child usually has age-appropriate self-reliance and an interest in the world around him or her. But as with autism, children with Asperger's disorder have abnormal social interactions, facial expressions, and gestures.

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Asperger's disorder affects males 4 to 5 times more than females.² Its cause is unknown. More research is needed to confirm whether Asperger's disorder is a condition that is genetically related to autism.

Citations
American Psychiatric Association (2000). Autistic disorder. In Diagnostic and Statistical Manual of Mental Disorders, 4th ed., text rev., pp. 70-75. Washington, DC: American Psychiatric Association.
Sadock BJ, et al. (2007). Pervasive developmental disorders. In Kaplan and Sadock's Synopsis of Psychiatry, Behavioral Sciences/Clinical Psychiatry, 10th ed., pp. 1191-1205. Philadelphia: Lippincott Williams and Wilkins.

By	Healthwise Staff
Primary Medical Reviewer	Susan C. Kim, MD - Pediatrics
Specialist Medical Reviewer	Fred Volkmar, MD - Child and Adolescent Psychiatry
Last Revised	April 12, 2010

WebMD Medical Reference from Healthwise

Last Updated: April 12, 2010

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.