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 …

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

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

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 …

Become an AST Member at the Small Business or Corporate level and we will acknowledge your business with a membership badge.

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.

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 …

Autism, or autism spectrum disorder (ASD), is a complex developmental disability. It impairs a child’s ability to communicate and interact with others and typically appears very early on in …

Autism spectrum disorder (ASD) is a complex developmental condition involving persistent challenges with social communication, restricted interests and repetitive behavior.

Autism is a difference in how your child’s brain works that causes them to socialize and behave in unique ways. Learn early signs of autism and more.