Recent Publications
(** indicates student co-author)
**Stuebing, S. L., Marshall, A. T., **Triplett, A., & Kirkpatrick, K. (2018). Females in the forefront: time-based intervention effects on impulsive choice and interval timing in female rats. Animal Cognition, DOI: 10.1007/s10071-018-1208-9
Jennings, D., & Kirkpatrick, K. (2018). Temporal map formation in second-order conditioning. Behavioural Processes, 154, 60-72.
Bailey, C., Peterson, J. R., **Schnegelsiepen, A., **Stuebing, S. L., & Kirkpatrick, K. (2018). Durability and generalizability of time-based intervention effects on impulsive choice in rats. Behavioural Processes, 152, 54-62.
Kirkpatrick, K., Marshall, A. T., **Steele, C. C., & Peterson, J. R. (2018). Resurrecting the individual in behavioral analysis: Using mixed effects models to address nonsystematic discounting data. Behavior Analysis: Research and Practice, 18, 219-238.
**Steele, C. C., Peterson, J. R., Marshall, A. T., **Stuebing, S. L., & Kirkpatrick, K. (2018). Nucleus accumbens core lesions induce sub-optimal choice and reduce sensitivity to magnitude and delay in impulsive choice tasks. Behavioural Brain Research, 339, 28-38.
**Marshall, A. T., & Kirkpatrick, K. (2017). Reinforcement learning models of risky choice and the promotion of risk-taking by losses-disguised-as-wins in rats. Journal of Experimental Psychology: Animal Learning and Cognition, 43(3), 262-279.
**Steele, C. C., **Pirkle, J. R. A., & Kirkpatrick K. (2017). Diet-induced impulsivity: Effects of a high-fat and a high-sugar diet on impulsive choice in rats. PLoS ONE, 12(6), e0180510.
**Wang, M. Z., **Marshall, A. T., & Kirkpatrick, K. (2017). Differential effects of social and novelty enrichment on individual differences in impulsivity and behavioral flexibility. Behavioural Brain Research, 327, 54-64.
Kirkpatrick, K. (2017). Packet theory. In J. Vonk & T. Shackelford (Eds.), Encyclopedia of Animal Cognition and Behavior (pp. 1-5). Cham: Springer International Publishing.
Kirkpatrick, K., & Hall, G. (2017). Learning and memory. In J. J. Bolhuis & L.-A. Giraldeau (Eds.), The behavior of animals: Mechanisms, function and evolution 2nd Edition. Oxford, UK: Blackwell.
**Marshall, A. T., & Kirkpatrick, K. (2017). Accumbens D2: Raters of the Loss Outcome. Learning & Behavior, 45, 3-4.
Peterson, J. R., & Kirkpatrick, K. (2016). The effects of a time-based intervention on experienced middle-aged rats. Behavioural Processes, 133, 44-51.
Kirkpatrick, K., & Balsam, P. D. (2016). Associative learning and timing. Current Opinion in Behavior Sciences, 8, 181-185.
Kirkpatrick, K., & Lazareva, O. (2016). Exploring animal minds: A tribute to the contributions of Edward Wasserman (editorial). Behavioural Processes, 123, 1-3.
**Smith, A. P., Peterson, J. R., & Kirkpatrick, K. (2016). Reward contrast effects on impulsive choice and timing in rats. Timing and Time Perception, 4, 147-166.
**Marshall, A. T., & Kirkpatrick, K. (2016). Mechanisms of impulsive choice: III. The role of reward processes. Behavioural Processes, 123, 134-148.
**Marshall, A. T., & Kirkpatrick, K. (2015). Everywhere and everything: The power and ubiquity of time. International Journal of Comparative Psychology, 28, 1-29.
Peterson, J. R., **Hill, C. C., **Marshall, A. T., **Stuebing, S. L., & Kirkpatrick, K. (2015). I can't wait: Methods for measuring and moderating individuals in impulsive choice. Journal of Agricultural and Food Industrial Organization, 13, 89-99.
**Marshall, A. T., & Kirkpatrick, K. (2015). Relative gains, losses, and reference points in probabilistic choice in rats. PLoS ONE, 10, e0117697.
Kirkpatrick, K., **Marshall, A. T., & **Smith, A. P. (2015). Mechanisms of individual differences in impulsive choice and risky choice. Comparative Cognition and Behavior Reviews, 10, 45-72.
Peterson, J. R., **Hill, C. C., & Kirkpatrick, K. (2015). Measurement of impulsive choice in rats: same and alternate form test-retest reliability and temporal tracking. Journal of the Experimental Analysis of Behavior, 103, 166-179.
**Smith, A. P, **Marshall, A. T., & Kirkpatrick, K. (2015). Mechanisms of impulsive choice. II. Time-based interventions to improve self-control. Behavioural Processes, 112, 29-42.
**Marshall, A. T., **Smith, A. P., & Kirkpatrick, K. (2014). Mechanisms of impulsive choice: I. Individual differences in interval timing and reward processing. Journal of the Experimental Analysis of Behavior, 102, 86-101.
Kirkpatrick, K., **Marshall, A. T., **Smith, A., Koci, J., & Park, Y. (2014). Individual differences in impulsive and risky choice: Effects of environmental rearing conditions. Behavioural Brain Research, 269, 115-127.
Kirkpatrick, K., **Bilton, T., Hansen, B. C., & Loschky, L. C. (2014). Scene gist categorization by pigeons. Journal of Experimental Psychology: Animal Learning and Cognition, 40, 162-177.
Kirkpatrick, K. (2014). Interactions of timing and prediction error learning. Behavioural Processes, 101, 135-145.
Kirkpatrick, K. (2013). Data mining and neurocomputational modeling in the neurosciences. In M. L. Rice (Ed.), The Merrill Series on The Research Mission of Public Universities (pp. 81-89). Lawrence, KS: The University of Kansas Merrill Advanced Studies Center.
Kirkpatrick, K., **Marshall, A. T., **Clarke, J., & Cain, M. E. (2013). Environmental rearing effects on impulsivity and reward sensitivity. Behavioral Neuroscience, 127, 712-724.
**Marshall, A. T. **Smith, A & Kirkpatrick, K. (2013). The effects of the previous outcome on probabilistic choice in rats. Journal of Experimental Psychology: Animal Behavior Processes, 39, 24-38.
**Garcia, A., & Kirkpatrick, K. (2013). Impulsive choice behavior in four strains of rats: Evaluation of possible models of Attention Deficit/Hyperactivity Disorder. Behavioural Brain Research, 238, 10-22.
Galtress, T., **Garcia, A., & Kirkpatrick, K. (2012). Individual differences in impulsive choice and timing in rats. Journal of the Experimental Analysis of Behavior, 98, 65-87.
Galtress, T., **Marshall, A. T., & Kirkpatrick, K. (2012). Motivation and timing: clues for modeling the reward system. Behavioural Processes, 90, 142-153.
**Wilkinson, A., & Kirkpatrick, K. (2011). Tracking and capture of constant and varying velocity stimuli: a cross-species comparison of pigeons and humans. Animal Cognition, 14, 59-71.
Galtress, T., & Kirkpatrick, K. (2010). The role of the nucleus accumbens core in impulsive choice, timing, and reward processing. Behavioral Neuroscience, 124, 26-43.
Galtress, T., & Kirkpatrick, K. (2010). Reward magnitude effects on temporal discrimination. Learning and Motivation, 41, 108-124.
