Explore the groundbreaking field of deep brain stimulation in this TED-Ed talk by neurosurgeon Andres Lozano. Discover how this precise technique allows surgeons to place electrodes in specific brain areas, adjusting them like a radio dial to correct neurological dysfunction. Witness dramatic demonstrations, including a Parkinson's patient whose tremors cease instantly and the potential to revive brain areas affected by Alzheimer's. Learn about the history of neurosurgery, the mechanics of deep brain stimulation, and its applications in treating Parkinson's, dystonia, and depression. Gain insights into the future of neuroscience and the potential to alleviate debilitating neurological conditions through this cutting-edge medical technology.