Autism - Wikipedia
Autism, also known as autism spectrum disorder (ASD), [a] is a condition characterized by impairment in social communication and …
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? - National Autistic Society
Autism influences how people experience and interact with the world. It is a lifelong neurodivergence and disability. Autistic people …
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: Symptoms, Causes, Types, and Testing - WebMD
Sep 11, 2024 · Know about autism, including its symptoms, causes, types, and testing methods. Explore WebMD's comprehensive …
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 …
Signs and Symptoms of Autism Spectrum Disorder
May 16, 2024 · Signs and Symptoms of Autism Spectrum Disorder Key points Autism spectrum disorder (ASD) is a developmental …
Autism spectrum disorder (ASD) | Autism Speaks
What is autism? Learn about autism spectrum disorder (ASD), the autism definition, a brief overview of co-occurring conditions and …
Autism Spectrum Disorder (ASD) Symptoms & Causes
Apr 15, 2026 · Autism (autism spectrum disorder, or ASD) is a difference in how your child’s brain works that shapes their behaviors, …
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 …