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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.

Oct 15, 2025 · 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.

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

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, …

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 …

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 …

Read the full text for the diagnostic criteria of autism spectrum disorder (ASD) from the Diagnostic and Statistical Manual of Mental Disorders (DSM-5).

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