Wilson, S. J., Sayette, M.A., Delgado, M.R., & Fiez, J.A. (2008). Effect of smoking opportunity on responses to monetary gain and loss in the caudate nucleus. Journal of Abnormal Psychology, 117, 428-434. Date Published Monday, December 31, 2007 Author(s) Michael Sayette, PhD Julie Fiez, Ph.D.