About 62,700 results
Open links in new tab
  1. Autism spectrum disorder - Symptoms and causes - Mayo Clinic

    May 22, 2025 · 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 getting …

  2. Autism - Wikipedia

    Autism is primarily characterized by differences and difficulties in social interaction and communication, alongside restricted or repetitive patterns of interests, activities, or behaviors (stimming), and, in …

  3. 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.

  4. About Autism Spectrum Disorder | Autism Spectrum Disorder (ASD)

    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 condition. Other …

  5. Autism spectrum disorder (ASD) | Autism Speaks

    Developed by and for autistic adults, this guide can help you figure out what comes next. Find local providers and services in your area with the Autism Speaks Resource Guide.

  6. What is autism spectrum disorder? - Harvard Health

    May 22, 2025 · Autism is a neurodevelopmental condition that affects a person’s ability to communicate and interact with others, often involving challenges with starting and maintaining conversations, …

  7. Autism Spectrum Disorder - National Institute of Mental Health (NIMH)

    Autism spectrum disorder (ASD) is a neurological and developmental disorder that affects how people interact with others, communicate, learn, and behave. Although autism can be diagnosed at any age, …

  8. Autism - World Health Organization (WHO)

    Sep 17, 2025 · The abilities and needs of autistic people vary and can evolve over time. While some people with autism can live independently, others have severe disabilities and require life-long care …

  9. Autism | Definition, Symptoms, Neurodevelopment Features,

    Jan 30, 2026 · Autism is linked to increased brain size, altered levels and activity of neurotransmitters such as serotonin and gamma-aminobutyric acid (GABA), and fewer neuronal connections from the …

  10. Autism: Symptoms, Causes, Types, and Testing - WebMD

    Sep 11, 2024 · Autistic disorder. This is what most people think of when they hear the word "autism." It affects social interactions, communication, and play in children younger than 3 years.