Cited by 170Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesMemory and Neural Mechanisms

Reward uncertainty enhances incentive salience attribution as sign-tracking

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Anselme, Patrick, Robinson, Mike J.F., Berridge, Kent C.·2013·Behavioural Brain Research

Abstract

Conditioned stimuli (CSs) come to act as motivational magnets following repeated association with unconditioned stimuli (UCSs) such as sucrose rewards. By traditional views, the more reliably predictive a Pavlovian CS-UCS association, the more the CS becomes attractive. However, in some cases, less predictability might equal more motivation. Here we examined the effect of introducing uncertainty in CS-UCS association on CS strength as an attractive motivation magnet. In the present study, Experiment 1 assessed the effects of Pavlovian predictability versus uncertainty about reward probability and/or reward magnitude on the acquisition and expression of sign-tracking (ST) and goal-tracking (GT) responses in an autoshaping procedure. Results suggested that uncertainty produced strongest incentive salience expressed as sign-tracking. Experiment 2 examined whether a within-individual temporal shift from certainty to uncertainty conditions could produce a stronger CS motivational magnet when uncertainty began, and found that sign-tracking still increased after the shift. Overall, our results support earlier reports that ST responses become more pronounced in the presence of uncertainty regarding CS-UCS associations, especially when uncertainty combines both probability and magnitude. These results suggest that Pavlovian uncertainty, although diluting predictability, is still able to enhance the incentive motivational power of particular CSs.

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Authors
Anselme, P., Robinson, M. J. F., & Berridge, K. C.
Affiliations
University of Michigan (US)
Corresponding author
Anselme, Patrick
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2013-02
Volume
238
Pages
53-61
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2111104955
Cited by
170
References
61
Citations by year
2026: 9 · 2025: 8 · 2024: 13 · 2023: 9 · 2022: 14 · 2021: 8 · 2020: 17 · 2019: 18 · 2018: 19 · 2017: 10 · 2016: 13 · 2015: 14 · 2014: 12 · 2013: 5
FWCI
4.09
Type
journal article
Language
en
Open access
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Open Repository and Bibliography (University of Liège) (submittedVersion)
Funders
  • Belgian American Educational Foundation
  • Educational Foundation of America
  • National Institutes of Health
  • National Institute of Mental Health (MH-63649, R01MH063649)
  • National Institute on Drug Abuse (R01DA015188, DA015188-01-A1)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
reward uncertainty, incentive salience, sign-tracking, goal tracking, classical conditioning, reward probability, reward magnitude, autoshaping, motivation
MeSH terms
Animals, Attention, Behavior, Animal, Conditioning, Classical, Female, Motivation, Reward, Rats, Sprague-Dawley, Uncertainty, Rats

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