Asperger (pronounced AS-per-ger) syndrome, currently considered an autism spectrum disorder (ASD), is a complex developmental disorder that affects how a person behaves, interacts with others, communicates, and learns. The NICHD and other branches of the NIH are among the many federal agencies working to understand Asperger syndrome and ASD. The NICHD supports and conducts research on what causes ASD, how best to detect signs of these disorders, and related topics.

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Common Names
- Asperger syndrome
- Asperger's syndrome
- Asperger's
- Asperger
Medical or Scientific Names