About 4,030,000 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 …

  2. 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 …

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

    What is autism spectrum disorder? Autism spectrum disorder is a neurological and developmental disorder that affects how people interact with others, communicate, learn, and behave.

  4. Spectrum disorder - Wikipedia

    A spectrum disorder is, in psychiatry, a disorder that includes a range of linked conditions, sometimes also extending to include singular symptoms and traits. The different elements of a …

  5. 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 …

  6. 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, …

  7. Autism Spectrum Disorder (ASD) Symptoms & Causes

    Oct 14, 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 (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. …

  9. Autism Spectrum Disorder - MedlinePlus

    Jun 28, 2025 · It includes what used to be known as Asperger syndrome and pervasive developmental disorders. It is called a "spectrum" disorder because people with ASD can have …

  10. Autism - World Health Organization (WHO)

    Sep 17, 2025 · Autism – also referred to as autism spectrum disorder ̶ constitutes a diverse group of conditions related to development of the brain. In 2021 about 1 in 127 persons had autism. …