People with autism have more brain-related health problems, such as headaches and epilepsy, than typical people do.

The mutation that causes Angelman syndrome makes neurons hyperexcitable, which may explain the frequent seizures that most people with the syndrome have.

A single dose of cannabidiol, a component of marijuana, eases seizures and improves learning and sociability in mice with mutations in an autism gene called CDKL5.

Autism and epileptic seizures often go hand in hand. What explains the overlap, and what does it reveal about autism’s origins?

A single seizure early in life leads to enduring behavioral problems, including diminished sociability, in mice.

Deleting an autism gene called TRIO derails neurons’ journey to their destination.

An experimental drug silences a DNA segment and seems to prevent seizures and death in a condition related to autism.