What is Autism? - Autism Research Institute
Sep 16, 2025 · Autism is a developmental disorder that appears within the first three years of life. Learn about presentations, …
What is autism? - NHS
Some autistic people have a learning disability. Some have average intelligence or above average intelligence. Autistic people are …
Autism - Wikipedia
Autism is primarily characterized by differences and difficulties in social interaction and communication, alongside restricted or …
About Autism Spectrum Disorder | Autism Spectrum Disorder (ASD)
Apr 13, 2026 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with …
Autism spectrum disorder - Symptoms and causes - Mayo Clinic
May 22, 2025 · Overview Autism spectrum disorder is a condition related to brain development that affects how people see others …
Autism spectrum disorder (ASD) | Autism Speaks
Autism, or autism spectrum disorder (ASD), refers to a broad range of conditions characterized by challenges with social skills, …
Autism: Symptoms, Causes, Types, and Testing - WebMD
Sep 11, 2024 · Know about autism, including its symptoms, causes, types, and testing methods. Explore WebMD's comprehensive …
What is autism spectrum disorder? - Harvard Health
May 22, 2025 · Autism spectrum disorder (ASD) is a complex neurological condition that affects how a person interacts, …
What is autism - National Autistic Society
What is autism? Autism influences how people experience and interact with the world. It is a lifelong neurodivergence and disability. …
Autism - World Health Organization (WHO)
Sep 17, 2025 · Autism spectrum disorders (ASD) are a diverse group of conditions. They are characterized by some degree of …