Cited by 308Neural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on BehaviorMemory and Neural Mechanisms

Subliminal Instrumental Conditioning Demonstrated in the Human Brain

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Pessiglione, Mathias, Petrovic, Predrag, Daunizeau, Jean, Palminteri, Stefano, Dolan, Raymond J., Frith, Chris D.·2008·Neuron

Abstract

How the brain uses success and failure to optimize future decisions is a long-standing question in neuroscience. One computational solution involves updating the values of context-action associations in proportion to a reward prediction error. Previous evidence suggests that such computations are expressed in the striatum and, as they are cognitively impenetrable, represent an unconscious learning mechanism. Here, we formally test this by studying instrumental conditioning in a situation where we masked contextual cues, such that they were not consciously perceived. Behavioral data showed that subjects nonetheless developed a significant propensity to choose cues associated with monetary rewards relative to punishments. Functional neuroimaging revealed that during conditioning cue values and prediction errors, generated from a computational model, both correlated with activity in ventral striatum. We conclude that, even without conscious processing of contextual cues, our brain can learn their reward value and use them to provide a bias on decision making.

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Crossref · 10.1016/j.neuron.2008.07.005

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  • In humans, reinforcement learning appears to proceed even when the cues, reward, or motivation signals are presented below the consciousness threshold.

    “Remarkably, in humans, such learning appears to proceed even when the cues, reward, or motivation signals are presented below the consciousness threshold ( 17 , 18 ).”

    From What is consciousness, and could machines have it? (2017) · cites this paper as [17]

    The Results report learning from unseen cues, supporting the cue part of the claim. But the Results describe prediction errors as based on visible outcomes, and the Experimental Procedures say monetary outcomes were displayed at the end of each trial. This paper does not show learning when rewards or motivation signals themselves were presented below the threshold of awareness. (LLM, conf=0.90)

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Authors
Pessiglione, M., Petrovic, P., Daunizeau, J., Palminteri, S., Dolan, R. J., & Frith, C. D.
Affiliations
  • Inserm (FR)
  • Wellcome Centre for Human Neuroimaging (GB)
Corresponding author
Pessiglione, Mathias
Venue
Neuron
Publisher
Elsevier BV
Published
2008-08
Volume
59
Issue
4
Pages
561-567
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2123851461
Cited by
308
References
37
Citations by year
2026: 11 · 2025: 9 · 2024: 5 · 2023: 12 · 2022: 15 · 2021: 11 · 2020: 38 · 2019: 15 · 2018: 24 · 2017: 19 · 2016: 16 · 2015: 19 · 2014: 29 · 2013: 13 · 2012: 19
FWCI
8.96
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Max Planck Digital Library (submittedVersion, other-oa)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Funders
Wellcome Trust
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
subliminal learning, operant conditioning, reward prediction error, ventral striatum, unconscious learning, decision-making, punishment, computational model
MeSH terms
Adult, Association Learning, Attention, Awareness, Brain Mapping, Choice Behavior, Conditioning, Operant, Consciousness, Decision Making, Discrimination, Psychological, Female, Humans, Magnetic Resonance Imaging, Male, Perceptual Masking, Reference Values, Subliminal Stimulation, Visual Cortex, Neostriatum, Intuition

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