Neurologists are doctors that usually diagnose and treat conditions that affect the central nervous system or peripheral nervous system, including the brain, spinal cord and nerves. Learn about how neurologists diagnose headaches, strokes, Alzheimer's disease and more with help from a board-certified neurologist in this free video on neurologists and their responsibilities. Expert: Alexander Mauskop Contact: www.nyheadache.com Bio: Dr. Alexander Mauskop, MD FAAN, is the director and founder of the New York Headache Center in New York City. Filmmaker: Paul Muller