DSM-V and Addictions: Reconceptualizing the Role of Brain, Behavior, and Excess presented by Marc Potenza, M.D., Ph.D. The purpose of this lecture is to contextualize recent changes to the DSM-V regarding addictions, based on advances in scientific research. The talk will: a) provide a historical overview of the classification of substance use and behavioral addictions in the DSM; 2) Summarize bio-behavioral research leading to new perspectives on what constitutes an "addiction;" 3) Review diagnostic changes between the DSM-IV-TR and DSM-V for both substance and behavioral-based addictions; 4) Provide implications of these changes for practice and policy; 5) Discuss research areas for future modifications to addiction diagnoses. About the Speaker: Dr. Potenza is a board-certified psychiatrist with sub-specialty training and certification in addiction psychiatry. He has trained at Yale University receiving a combined BS/MS with Honors in Molecular Biochemistry and Biophysics and a Ph.D. in Cell Biology, the latter concurrent with the M.D. through the Medical Scientist Training Program. He completed internship, psychiatric residency and addiction psychiatry fellowship training at Yale. Currently he is a professor of Psychiatry, Child Study and Neurobiology at the Yale University School of Medicine where he is Director of the Problem Gambling Clinic, the Center of Excellence in Gambling Research, and the Women and Addictive Disorders Core of Women's Health.