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 …
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 - National Institute of Mental Health (NIMH)
Learn about NIMH research on autism spectrum disorder. Find resources on the signs and symptoms of autism and potential treatments and therapies.
Autism Spectrum Disorder - MedlinePlus
Jun 28, 2025 · Autism spectrum disorder (ASD) is a neurological and developmental disorder that begins early in childhood and lasts throughout a person's life. It affects how a person acts and interacts with …
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 · Autism spectrum disorders (ASD) are a diverse group of conditions. They are characterized by some degree of difficulty with social interaction and communication.
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 interact with …
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.
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 autism …
What Is Autism Spectrum Disorder? - Psychiatry.org
Autism spectrum disorder (ASD) is a complex developmental condition involving persistent challenges with social communication, restricted interests and repetitive behavior.