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  1. 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 …

  2. 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 …

  3. 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.

  4. Signs and Symptoms of Autism Spectrum Disorder

    May 16, 2024 · Learn about the signs and symptoms of ASD.

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

    Dec 24, 2024 · ASD describes a group of neurodevelopmental conditions that become evident during early childhood. Certain genetic and environmental factors can contribute to its …

  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 …

  7. Autism Spectrum Disorder (ASD) Symptoms & Causes

    Oct 15, 2025 · Autism spectrum disorder (ASD) is the full medical name for autism. The DSM-5-TR defines ASD as a difference in brain functioning that affects how you communicate and …

  8. Autism Spectrum Disorder: Causes, Symptoms, Diagnosis, and …

    Sep 10, 2025 · Autism Spectrum Disorder (ASD) is not simply a medical condition—it is a profoundly human experience. It represents a different way of perceiving, processing, and …

  9. 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 …

  10. What is the Autism Spectrum?

    Autism is a neurodevelopmental condition that affects how people communicate and interact, and how a person’s brain develops and functions, from infancy through adulthood. Autistic people …