Cited by 84Memory and Neural MechanismsNeurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology Studies

Individual variation in the propensity to attribute incentive salience to an appetitive cue predicts the propensity to attribute motivational salience to an aversive cue

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Morrow, Jonathan D., Maren, Stephen, Robinson, Terry E.·2011·Behavioural Brain Research

Abstract

It has been proposed that animals that attribute high levels of incentive salience to reward-related cues may be especially vulnerable to addiction. Individual variation has also been observed in the motivational value attributed to aversive cues, which may confer vulnerability to anxiety disorders such as post-traumatic stress disorder (PTSD). There may be a core behavioral trait that contributes to individual variation in the motivational value assigned to predictive cues regardless of emotional valence. To test this hypothesis, we used a Pavlovian conditioned approach procedure to classify rats based on whether they learned to approach and interact with a cue predicting food reward (sign-trackers) or learned upon cue presentation to go to the location of impending food delivery (goal-trackers), and then examined Pavlovian fear conditioning in the same animals. It has recently been proposed that sign-trackers are more vulnerable to substance abuse because they attribute greater incentive motivational value to drug cues. Here we show that sign-trackers also have a tendency to be more fearful of discrete cues that predict footshock. In addition, we found that goal-trackers exhibited greater contextual fear when placed back into the original fear-conditioning context in the absence of temporally discrete cues. These results suggest that there may be a subset of individuals who tend to attribute high levels of motivational salience to predictive cues regardless of emotional valence, which may predispose them to a number of psychiatric comorbidities including PTSD and substance abuse. Other individuals use contexts to appropriately modify their reactions to such salient stimuli.

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Authors
Morrow, J. D., Maren, S., & Robinson, T. E.
Affiliations
University of Michigan (US)
Corresponding author
Morrow, Jonathan D.
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2011-06
Volume
220
Issue
1
Pages
238-243
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2112131438
Cited by
84
References
43
Citations by year
2026: 3 · 2025: 4 · 2024: 3 · 2023: 2 · 2022: 2 · 2021: 5 · 2020: 13 · 2019: 6 · 2018: 5 · 2017: 3 · 2016: 5 · 2015: 5 · 2014: 8 · 2013: 9 · 2012: 8
FWCI
4.49
Type
journal article
Language
en
Open access
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01MH065961)
  • National Institute on Drug Abuse (R37DA004294)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
interindividual variability, incentive salience, motivational salience, Pavlovian conditioned approach, sign-tracking, goal tracking, fear conditioning, contextual fear, addiction vulnerability, post-traumatic stress disorder, substance abuse, predictive cues, rats
MeSH terms
Animals, Avoidance Learning, Conditioning, Classical, Conditioning, Operant, Cues, Fear, Male, Motivation, Rats, Sprague-Dawley, Freezing Reaction, Cataleptic, Rats

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