
Autism - Wikipedia
Autism, also known as autism spectrum disorder (ASD), [a] is a condition characterized by differences or difficulties in social communication and interaction, a need or strong preference for predictability and …
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 and socialize with them. This causes problems in communication and …
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 guide to better understand and manage autism.
Signs and Symptoms of Autism Spectrum Disorder
May 16, 2024 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. People with ASD often have problems with social communication and interaction, and …
Autism Spectrum Disorder (ASD) Symptoms & Causes
Apr 15, 2026 · Autism is a difference in how your child’s brain works that causes them to socialize and behave in unique ways. Learn early signs of autism and more.
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 access helpful resources.
What is Autism? - Autism Research Institute
Autism is a developmental disorder that appears within the first three years of life. Learn about presentations, diagnosis, and care.
Autism Spectrum Disorder - National Institute of Mental Health (NIMH)
Describes autism spectrum disorder (ASD): signs and symptoms; causes and risk factors; diagnosis in children, teens, and adults; and treatments.
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, communicates, and experiences the world. Learn about its symptoms, causes, …
Autism - World Health Organization (WHO)
Sep 17, 2025 · Autistic people are more likely to die prematurely. People with autism require accessible health services for general health-care needs like the rest of the population, including promotive and …