Professor Dirk De Ridder is the University of Otago's inaugural Neurological Foundation Chair in Neurosurgery. In this lecture he explores the causes of tinnitus and phantom pain. He is based in the Department of Surgical Sciences at the Dunedin School of Medicine. http://www.otago.ac.nz/healthsciences... http://www.odt.co.nz/news/dunedin/274...