Evidence map›Paper›PMID 27618944›Full record

ReviewAnnual review of psychology2017

Reinforcement Learning and Episodic Memory in Humans and Animals: An Integrative Framework.

Samuel J Gershman, Nathaniel D Daw

Abstract readReview
In one paragraph

Review in Annual review of psychology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 158 papers.

0numbers the graph read from it
0cells of the map it votes in
158citing papers in PubMed
20.2field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

158 citing papers in PubMed, 486 citations in OpenAlex.

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  20. Empowering safer socially sensitive autonomous vehicles using human-plausible cognitive encoding.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article

98 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 2 institutions in 1 country.

Samuel J GershmanDepartment of Psychology and Center for Brain Science, Harvard University, Cambridge, Massachusetts 02138; email: gershman@fas.harvard.edu.
Nathaniel D DawPrinceton Neuroscience Institute and Department of Psychology, Princeton University, Princeton, New Jersey 08544.
Harvard University · USPrinceton University · US

Funding

CRCNS: Computational and neural mechanisms of memory-guided decisionsR01DA038891 · NIDA · PRINCETON UNIVERSITY · PI DAW, NATHANIEL DOUGLASS, SHOHAMY, DAPHNA · 2014 to 2018
$1.7M
NIDA NIH HHS R01 DA038891
6 · The paper itself

Abstract

We review the psychology and neuroscience of reinforcement learning (RL), which has experienced significant progress in the past two decades, enabled by the comprehensive experimental study of simple learning and decision-making tasks. However, one challenge in the study of RL is computational: The simplicity of these tasks ignores important aspects of reinforcement learning in the real world: (a) State spaces are high-dimensional, continuous, and partially observable; this implies that (b) data are relatively sparse and, indeed, precisely the same situation may never be encountered twice; furthermore, (c) rewards depend on the long-term consequences of actions in ways that violate the classical assumptions that make RL tractable. A seemingly distinct challenge is that, cognitively, theories of RL have largely involved procedural and semantic memory, the way in which knowledge about action values or world models extracted gradually from many experiences can drive choice. This focus on semantic memory leaves out many aspects of memory, such as episodic memory, related to the traces of individual events. We suggest that these two challenges are related. The computational challenge can be dealt with, in part, by endowing RL systems with episodic memory, allowing them to (a) efficiently approximate value functions over complex state spaces, (b) learn with very little data, and (c) bridge long-term dependencies between actions and rewards. We review the computational theory underlying this proposal and the empirical evidence to support it. Our proposal suggests that the ubiquitous and diverse roles of memory in RL may function as part of an integrated learning system.

Indexed as

Memory, EpisodicReinforcement, PsychologyAnimalsBrainDecision MakingHumansLearningRewarddecision makingmemoryreinforcement learning

Identifiers

PMID27618944
PMCPMC5953519
OpenAlexW2346736747

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.