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  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 …

  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 …

  3. 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 …

  4. What is Autism? - Autism Research Institute

    Autism is a developmental disorder with symptoms that appear within the first three years of life. Its formal diagnostic name is autism spectrum disorder. The word “spectrum” indicates that …

  5. 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.

  6. Autism Fact Sheet - National Autism Association

    Autism now affects 1 in 31 children About 40% of children with autism do not speak The rate of autism has steadily grown over the last three decades

  7. Autism Spectrum Disorder - National Institute of Mental Health …

    Learn about NIMH research on autism spectrum disorder. Find resources on the signs and symptoms of autism and potential treatments and therapies.

  8. 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, …

  9. 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, repetitive behaviors, speech and nonverbal communication.

  10. Autism (ASD): Symptoms, Causes, Tests, Treatment & More

    Dec 24, 2024 · Autism spectrum disorder (ASD), or autism, is a broad term used to describe a group of neurodevelopmental conditions. Differences in communication and social interaction …