Richard Yi, Ph. D.

Assistant Professor

4301 West Markham Street, Slot 843
Little Rock, AR 72205
Phone: 501-526-7882
Fax: 501-526-7816
ryi@uams.edu

Ph.D., Experimental Psychology, Stony Brook University, 2002
M.A., Experimental Psychology, Stony Brook University, 1999
B.A., Psychology, English, Lafayette College, 1996

Richard Yi has been with the Center for Addiction Research since 2004, where he began as a Post-Doctoral Fellow and is now Assistant Professor of Psychiatry and a research scientist in the Center for Addiction Research. His general interest is in the basic behavioral processes involved in drug dependence, particularly as they relate to decision-making.

Discounting by Smokers in Nicotine Withdrawal

Impulsivity in Parkinsonian Patients treated with Dopamine Agonists

Future, Probability, and Past Discounting by Methamphetamine users

Discounting by Active Methamphetamine Users

Self-Regulation and Cigarette Smoking

Impulsivity in Parkinsonian Patients treated with Dopamine Agonists

Delay Discounting in Drug Dependence

Yi, R., Johnson, M. W., Giordano, L. A., Landes, R. D., Badger, G. J., & Bickel, W. K. (in press). The effects of reduced cigarette smoking on discounting future rewards: an initial evaluation. The Psychological Record.
 
Yi, R., Chase, W. M., & Bickel, W. K. (2007). Probability discounting among cigarette smokers and non-smokers: Molecular analysis discerns group differences. Behavioural Pharmacology.

Bickel, W. K., Miller, M. L., Yi, R., Kowal, B. P., Lindquist, D. M., & Pitcock, J. A. (2007). Behavioral- and neuro-economics of drug addiction: competing neural systems and temporal discounting processes. Drug and Alcohol Dependence, 90S, S85-S91.
 
Kowal, B. P., Yi, R., Erisman, A. C., & Bickel, W. K. (2007). A comparison of two algorithms in computerized discounting procedures. Behavioural Processes, 75, 231-236.
 
Yi, R., Buchhalter, A. R., Gatchalian, K. M., & Bickel, W. K. (2007). The relationship between temporal discounting and the prisoner’s dilemma game in intranasal abusers of prescription opioids. Drug and Alcohol Dependence, 87, 94-97.
 
Yi, R., de la Piedad, X., & Bickel, W. K. (2006). The combined effects of delay and probability in discounting, Behavioural Processes, 73, 149-155.

Yi. R., Gatchalian, K. M., & Bickel, W. K. (2006). Discounting of past outcomes. Experimental and Clinical Psychopharmacology, 14, 311-317.
 
Bickel, W. K. & Yi, R. (2006). What came first? Comment on Dom et al. Addiction, 101, 291-292.

Yi, R. & Bickel W. K. (2005). Representation of Odds in Terms of Frequencies Reduces Probability Discounting. The Psychological Record, 55, 577-593.

Yi, R., Johnson, M. W., & Bickel, W. K. (2005). Relationship Between Cooperation in an Iterated Prisoner’s Dilemma Game and the Discounting of Hypothetical Outcomes. Learning and Behavior, 33, 324-336.

Yi, R. & Rachlin, H. (2004). Contingencies of Reinforcement in a 5-Person Prisoner’s Dilemma. Journal of the Experimental Analysis of Behavior, 82, 161-176.