Autism, also known as autism spectrum disorder (ASD), [a] is a condition mainly characterized by differences or difficulties in social communication and interaction. It can also include a need or …

Apr 14, 2025 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with ASD have a known difference, such as a genetic …

Share Medical Definition autist noun au· tist ˈȯ-ˌtist sometimes offensive : autistic Note: While this term is used by some autistic people to refer to themselves, it may be considered offensive …

Sep 11, 2024 · Know about autism, including its symptoms, causes, types, and testing methods. Explore WebMD's comprehensive guide to better understand and manage autism.

What is autism? Learn about autism spectrum disorder (ASD), the autism definition, a brief overview of co-occurring conditions and access helpful resources.

Dec 19, 2025 · Autism is a neurodevelopmental difference that affects how a person experiences and interacts with the world. Indications of autism, often observed in physical, social, and …

Autism is a developmental disability that affects how we experience the world around us. Autistic people are an important part of the world. Autism is a normal part of life, and makes us who …

ARI works to advance the understanding of autism by funding research and facilitating education on its causes and the potential treatments.

Explore the fundamentals of autism and gain a better understanding of this complex spectrum condition. AANE provides valuable insights and resources on what autism is

Sep 23, 2025 · Find out what autism is and how it affects people.