The FDA has approved a device known as an RNS Stimulator, a neurotransmitter that sends electrical impulses to areas of the brain where seizures are believed to originate. This new skull implant that could help treat epileptic seizures.

Epilepsy affects 3 million people in the US, making it the third most common neurological disorder in the country. In a move that may offer relief for some patients, the FDA has approved a skull implant that helps reduce the frequency of seizures in patients with drug-resistant epilepsy.