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Betwixt fast and slow: Integrating model-free and model-based decision-making

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Dayan, P., Keramati, M., Smittenaar, P., & Dolan, R. (2017). Betwixt fast and slow: Integrating model-free and model-based decision-making. Talk presented at 50th Annual Meeting of the Society for Mathematical Psychology, the European Mathematical Psychology Group, 15th Annual Meeting of the International Conference on Cognitive Modelling (MathPsych/ICCM 2017). Warwick, UK. 2017-07-22 - 2017-07-25.


Cite as: http://hdl.handle.net/21.11116/0000-0004-7E4E-9
Abstract
Behavioural and neural evidence reveals a retrospective, model-free or habitual pro- cess that caches returns previously garnered from available choices, and a prospec- tive, model-based or goal-directed one that putatively relies on mental simulation of the environment. There is much current interest in understanding how these faster and slower systems are integrated to take advantage of the beneficial computational properties of each. I will discuss a recent study looking theoretically and empirically at the incorporation of model-free values into model-based calculations. This is joint work with Mehdi Keramati, Peter Smittenaar and Ray Dolan.