Peter Turkeltaub, MD, PhD, is an Associate Professor of Neurology and Rehabilitation Medicine at Georgetown University Medical Center and Director of the Aphasia Clinic at MedStar National Rehabilitation Hospital. He directs the Cognitive Recovery Lab, which focuses on how the brain performs language and cognitive functions, how these brain systems change in the face of injury or dysfunction, and new techniques to improve recovery. Dr. Turkeltaub has published numerous articles in high profile journals, and his work has been supported by several NIH and foundation grants.