An electrical brain implant all but erased the obsessions that had consumed Becky Audette, years after her autism diagnosis. Could similar implants help other people with severe autism?

Scientists’ desire for evidence-based medical inquiry runs headlong into an apparently immovable obstacle: the U.S. Drug Enforcement Agency.

The United States has approved a compound derived from marijuana as a treatment for certain types of epilepsy. The ruling may spell good news for autism research.

Children who have a rare extra copy of one segment on chromosome 15 have better cognitive abilities and daily living skills than those with a duplication that forms an extra chromosome.

More than half of people on the spectrum have four to five other conditions. Which conditions, and how and when they appear, varies from one autistic person to the next.

Over the past year, HNRNPU, a gene well known for its link to epilepsy, has emerged as a new autism candidate.

Watch the complete replay of Orrin Devinsky discussing cannabis-based treatments for seizures.

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.

People with mutations in SHANK3 have milder features than do those missing a chunk of DNA that includes the gene.