Reinforcement learning and human behavior

Hanan Shteingart, Yonatan Loewenstein

Research output: Contribution to journalReview articlepeer-review

Abstract

The dominant computational approach to model operant learning and its underlying neural activity is model-free reinforcement learning (RL). However, there is accumulating behavioral and neuronal-related evidence that human (and animal) operant learning is far more multifaceted. Theoretical advances in RL, such as hierarchical and model-based RL extend the explanatory power of RL to account for some of these findings. Nevertheless, some other aspects of human behavior remain inexplicable even in the simplest tasks. Here we review developments and remaining challenges in relating RL models to human operant learning. In particular, we emphasize that learning a model of the world is an essential step before or in parallel to learning the policy in RL and discuss alternative models that directly learn a policy without an explicit world model in terms of state-action pairs.

Original languageAmerican English
Pages (from-to)93-98
Number of pages6
JournalCurrent Opinion in Neurobiology
Volume25
DOIs
StatePublished - Apr 2014

All Science Journal Classification (ASJC) codes

  • General Neuroscience

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