Repeated, uncontrolled seizures at a young age can cause detrimental affects to the brain and a child’s day-to-day life. What’s the last-resort solution in this case? A hemispherectomy, the removal of half of the brain that is causing the seizures. Dr. Gary W. Mathern, MD, goes through the remarkable recovery and abilities of children who have undergone this procedure through a Tedx Talk, evidence of how powerful the brain truly is.