How have neurosurgical procedures for psychiatric conditions advanced since the development of the lobotomy? Which types of neurosurgical procedures are best for treating depression or obsessive-compulsive disorder? Dr. Steven Dubovsky, professor and chair of the department of psychiatry at the State University New York at Buffalo, explains lesioning surgeries, vegus nerve stimulation and deep brain stimulation for treating depression. Dr. Lee Freedman hosts. Can these procedures cure patients of their psychiatric conditions?