Mild autism refers to the symptoms that occur with level 1 autism. Borderline autism may be used to describe symptoms that do not meet the complete criteria of a level 1 autism diagnosis, but some ...

Autism Diagnostic Interview-Revised (ADI-R): ADI-R involves an interview with a parent or caregiver about a child's developmental and behavioral symptoms in reciprocal social interaction ...

Why does one child with autism speak fluently but struggle socially, while another barely talks yet shows remarkable pattern recognition?

For a long time, only people with very severe symptoms were diagnosed with autism. Starting in the 1990s, milder forms were recognized, including Asperger’s syndrome.

Asperger's syndrome refers to a high-functioning form of autism. Although it was once classified as its own condition, Asperger’s is no longer an official diagnosis in the Diagnostic and ...

Asperger syndrome, though no longer an official diagnosis, is a term sometimes used to describe people on the autism spectrum. Learn more about causes and symptoms.