The fifth installment of Addiction Reviews provides refereed reviews on learning theory and addition, deep brain stimulation and addiction, novel therapeutic approaches to addiction, developmental studies of reward, genetics and brain imaging in addiction, genetics of alcoholism and its comorbidities, in addition to other state-of-the art topics in addiction science. NOTE: Annals volumes are available for sale as individual books or as a journal. For information on institutional journal subscriptions, please visit: http://ordering.onlinelibrary.wiley.com/subs.asp?ref=1749-6632&doi=10.111/(ISSN)1749-6632. ACADEMY MEMBERS: Please contact the New York Academy of Sciences directly to place your order (www.nyas.org). Members of the New York Academy of Science receive full-text access to Annals online and discounts on print volumes. Please visit http://www.nyas.org/MemberCenter/Join.aspx for more information on becoming a member.