Perez, O. D. (2022). Action sequences, habits and attention in copying strategies. Behavioral and Brain Sciences.

Zbozinek, T. D., Perez, O. D., Wise, T., Fanselow, M., & Mobbs, D. (2022). Ambiguity Drives Higher-Order Pavlovian Learning. PLOS Computational Biology.

Perez, O. D., Vogel, E.H, Narasiwodeyar, S., & Soto, F.A. (2022). Sub-sampling of cues in associative learning. Learning & Memory.

Pool, E. R.*, Gera, R.*, Fransen, A.*, Perez, O. D.*, Cremer, A.*, Aleksic, M.*, Tanwisuth, S.*, Quail, S.*, Ceceli, A. O., Manfredi, D. A., Nave, G, Tricomi, E., Balleine, B., Schonberg, T., Schwabe, L., O'Doherty, J. P. (2022). Determining the effects of training duration on the behavioral expression of habitual control in humans: a multi-laboratory investigation. Learning & Memory.

(* Equal contribution)


Zbozinek, T. D., Wise, T., Qi, S., Perez, O. D., Fanselow, M., & Mobbs, D. (2021). Occasion Setting, Anxiety, and Their Computation in Human Fear Conditioning. Behaviour Research & Therapy.

Perez, O. D. (2021) Instrumental behavior in humans is sensitive to the correlation between response rate and reward rate. Psychonomic Bulletin and Review, 28, 649–656.


Perez, O. D. & Dickinson, A. (2020). A theory of actions and habits: The interaction of rate correlation and contiguity systems in free-operant behavior. Psychological Review, 127 (6), 945–971.

Perez, O. D. & Soto, F.A. (2020). Evidence for a dissociation between causal beliefs and instrumental actions. Quarterly Journal of Experimental Psychology, 73 (4), 495-503. https://doi:10.31234/


Dickinson, A. & Perez, O. D. (2019). Actions and Habits: Psychological issues in Dual-System Theory. In R.W. Morris & A. Bornstein (Eds.) Goal-Directed Decision Making: Computations and Neural Circuits. Elsevier. doi:10.1016/B978-0-12-812098-9.00001-2

Perez, O. D., Aitken, M. R., Zhukovsky, P., Soto, F. A., Urcelay, G. P., & Dickinson, A. (2019). Human instrumental performance in ratio and interval contingencies: A challenge for associative theory. Quarterly Journal of Experimental Psychology, 72(2), 311-321.


Pauli, W. M., Cockburn, J., Pool, E. R., Perez, O. D., & O’Doherty, J. P. (2018). Computational approaches to habits in a model-free world. Current Opinion in Behavioral Sciences, 20, 104-109.

Perez, O. D., San Martin, R., & Soto, F. A. (2018). Exploring the Effect of Stimulus Similarity on the Summation Effect in Causal Learning. Experimental Psychology, 65, 183-200. doi:10.1027/1618-3169/a000406

Perez, O. D., Aitken, M. R. F., Milton, A. L., & Dickinson, A. (2018). A re-examination of responding on ratio and regulated-probability interval schedules. Learning and Motivation, 64, 1-8.


Tarantola, T., Folke, T., Boldt, A., Perez, O.D., & De Martino, B. (in revision, PLOS Computational Biology). Confirmation bias optimizes reward learning. bioRxiv.

In preparation

Perez, O. D., & Dickinson, A. Dual-system avoidance: application of a theory

Perez, O. D., Oh, S., Dickinson, A., & Merlo, E. The effect of extinction and causal degradation on the goal-directed status of an action.

Henriquez-Jara, B., Guevara, A., Munizaga, M., & Perez, O. D. Habitual strategies hinder exploration of new alternatives in transportation behavior