Pippa Hull sits on her mother’s lap across the kitchen table in their Parkville home. She is an outgoing and talkative seven-year-old girl, who just happens to have a rare and severe form of epilepsy called Lennox-Gastaut syndrome. Pippa’s mother, Megan, said this form of epilepsy is characterized by its lack of response to treatments. Hull said they have tried different medications, they have had a VNS or Vagus Nerve Stimulation device implanted in Pippa’s chest, and they have even tried a