ASD is a developmental disability that can lead to social, communication, and behavioral challenges.

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 …

Apr 13, 2026 · 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 …

Autism, also known as autism spectrum disorder (ASD), [a] is a condition characterized by impairment in social communication and interaction, [4][1] as well as a need or strong preference for predictability …

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, …

Apr 15, 2026 · Autism (autism spectrum disorder, or ASD) is a difference in how your child’s brain works that shapes their behaviors, interests, social interactions and ways of communicating. ASD falls …

Jun 23, 2026 · Types of atrial septal defects (ASDs) include: Secundum. This is the most common type of ASD. It occurs in the middle of the wall between the upper heart chambers. This wall is called the …

Autism spectrum disorder (ASD), also known as autism, is a neurodevelopmental disorder that affects how you behave and interact with the world. People with autism have difficulty with communication …

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

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.