Autism is a spectrum. This metaphor is a helpful way to explain why autism looks and feels so varied across different people.

Language development in Autism Spectrum Disorders (ASD) represents a dynamic and multifaceted area within neurodevelopmental research. While language delay ...

Pervasive developmental disorders (PDD) — now known as autism spectrum disorder (ASD) — refers to a group of conditions that affect average development. It may appear as a delay in development of ...

People who learn they have autism after age 6 — the current median age at diagnosis — are often described as having a “milder” form of autism than people diagnosed as toddlers. A new study challenges ...