E-Mail IMAGE: Seizure activity can cascade across the brain, much like a line of falling dominos. This image of a domino brain was created for a video based on this concept that... view more Credit: Figure courtesy of Jennifer Creaser and Sprice Machines. Epilepsy, a neurological disease that causes recurring seizures with a wide array of effects, impacts approximately 50 million people across the world. This condition has been recognized for a long time -- written records of epileptic symptoms date all the way back to 4000 B.C.E. But despite this long history of knowledge and treatment, the exact processes that occur in the brain during a seizure remain elusive.