A neurologist is an MD who, in addition to medical school and post-graduate training in general medicine (an internship), has completed three additional years of training (residency) in diagnosis and treatment in disorders of the brain, spinal cord, nerves, and muscles. We do not perform surgery. Many neurologists choose to pursue additional training beyond this minimum; in my case I spent an additional year as a Chief Resident honing my clinical skills, supervising and teaching the younger residents, and performing research on the effects of viral disorders of the brain. Following my training I sought the national recognition of my peers, and after passing a rigorous written and oral examination, was certified by the American Board of Psychiatry and Neurology (in neurology).