Autism spectrum disorder (ASD) is a complex neurodevelopmental condition that begins in early childhood. It’s characterized by difficulty with social communication and interaction, and patterns of repetitive behaviors, interests, and activities.[1]
What is autism spectrum disorder?
Written by:
Fact-checked
by:
•Last Updated: May 16, 2025
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition that starts in early childhood and is marked by challenges in social communication and interaction, as well as repetitive behaviors and interests.