Dr. Purdon started her career at UW in 1997 after completing her pre-doctoral internship at the Centre for Addiction and Mental Health in Toronto under the supervision of Dr. Martin Antony. Her research currently examines factors involved in the persistence of compulsions, as well as continues her work on mental inhibition as it pertains to the persistence of obsessions. Dr. Purdon teaches cognitive-behaviour therapy in UW's PhD program in clinical psychology and she also holds a private practice in which she assesses and treats OCD.