Cited by 153Neural and Behavioral Psychology StudiesDecision-Making and Behavioral EconomicsNeurotransmitter Receptor Influence on Behavior

Humans primarily use model-based inference in the two-stage task

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Feher da Silva, Carolina, Hare, Todd A.·2020·Nature Human Behaviour

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Abstract

Distinct model-free and model-based learning processes are thought to drive both typical and dysfunctional behaviours. Data from two-stage decision tasks have seemingly shown that human behaviour is driven by both processes operating in parallel. However, in this study, we show that more detailed task instructions lead participants to make primarily model-based choices that have little, if any, simple model-free influence. We also demonstrate that behaviour in the two-stage task may falsely appear to be driven by a combination of simple model-free and model-based learning if purely model-based agents form inaccurate models of the task because of misconceptions. Furthermore, we report evidence that many participants do misconceive the task in important ways. Overall, we argue that humans formulate a wide variety of learning models. Consequently, the simple dichotomy of model-free versus model-based learning is inadequate to explain behaviour in the two-stage task and connections between reward learning, habit formation and compulsivity.

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Authors
Feher da Silva, C., & Hare, T. A.
Affiliations
University of Zurich (CH)
Corresponding author
Hare, Todd A.
Venue
Nature Human Behaviour
Published
2020-07-06
Volume
4
Issue
10
Pages
1053-1066
ISSN
2397-3374 (ISSN-L)
OpenAlex
W3040440677
Cited by
153
References
64
Citations by year
2026: 13 · 2025: 30 · 2024: 25 · 2023: 26 · 2022: 32 · 2021: 20 · 2020: 6 · 2019: 1
FWCI
11.30
Type
journal article
Language
en
Locations
  • Nature Human Behaviour (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Repository@Nottingham (University of Nottingham) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Decision Sciences › General Decision Sciences › Decision-Making and Behavioral Economics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
model-based learning, model-free learning, task instructions, misconceptions, reward learning, habit formation, compulsivity, learning models, decision-making
MeSH terms
Adult, Choice Behavior, Goals, Habits, Humans, Models, Psychological, Probability Learning, Reinforcement, Psychology, Reward, Task Performance and Analysis, Thinking, Models, Statistical, Young Adult

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