About 10 percent of people with a large mutation in chromosome 22 have autism, attention deficit hyperactivity disorder or intellectual disability.

Seizures early in life may render brain circuits incapable of supporting learning during critical developmental periods.

A partial ban in Europe on the use of a drug called valproate during pregnancy could deny women effective treatment for serious conditions.

Epilepsy in infancy and the use of prescription medications during pregnancy are the strongest of 29 known risk factors for autism in a child.

A journal covering autism in adulthood makes its debut, researchers call for an ethical framework for human organoid studies, and the association between acetaminophen and autism risk comes under scrutiny.

By the time Ann Marie Owen turned to marijuana to treat her pain, she was struggling to walk and talk. She also hallucinated.

An unusual brain response to sound may distinguish children with mutations in SCN2A, a leading candidate gene for autism.

A checklist for fragile X syndrome could help identify people with the condition in low-resource settings, France unveils a plan for early diagnosis and education of children with autism, and virally inserted ‘bar codes’ help track individual neurons.

With one exception, budget allocations are booming for U.S. science agencies, a CRISPR paper that shook faith has been retracted, and professional basketball teams build sensory rooms for fans on the spectrum.