Cited by 154Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesGambling Behavior and Treatments

Striatal sensitivity to reward deliveries and omissions in substance dependent patients

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Bjork, James M., Smith, Ashley R., Hommer, Daniel W.·2008·NeuroImage

Abstract

Some motivational theories of substance dependence (SD) posit either pathologically increased or decreased ventral striatum (VS) recruitment by cues for nondrug rewards. The incentive-sensitization hypothesis, alternatively, attributes SD to enhanced incentive salience of drug-predictive cues specifically, with no requirement for altered nondrug incentive processing. We assessed whether individuals undergoing inpatient therapy for SD are characterized by altered recruitment of mesolimbic incentive neurocircuitry by cues and deliveries of nondrug rewards. During functional magnetic resonance imaging, substance-dependent patients (SDP) and controls performed a modified monetary incentive delay task featuring: a) anticipatory cues that signaled opportunities to respond to a target to either win money or avoid losing money, b) notifications of wins and losses, and c) unexpected replacement of reward trial outcomes with a demand to repeat the trial. Both anticipatory reward cues and loss cues elicited similar mood responses and VS activation between SDP and controls. However, in SDP (but not controls), reward notifications also activated VS and mesial frontal cortex, and loss notifications activated anterior insula. Finally, substitution of expected outcomes in reward trials with notifications to repeat the trial deactivated the VS in SDP but not in controls. These data do not suggest that SD is characterized by altered recruitment of VS circuitry by cues for nondrug incentives. Rather, SDP may instead have increased limbic system sensitivity to reward and loss delivery, consistent with the role of impulsivity in SD.

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Authors
Bjork, J. M., Smith, A. R., & Hommer, D. W.
Affiliations
National Institutes of Health (US)
Corresponding author
Bjork, James M.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2008-10
Volume
42
Issue
4
Pages
1609-1621
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2014729506
Cited by
154
References
80
Citations by year
2025: 1 · 2023: 7 · 2022: 4 · 2021: 7 · 2020: 4 · 2019: 6 · 2018: 4 · 2017: 7 · 2016: 14 · 2015: 9 · 2014: 16 · 2013: 23 · 2012: 24
FWCI
4.04
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (Z99 DA999999)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Clinical Psychology › Gambling Behavior and Treatments
Keywords
substance dependence, ventral striatum, incentive salience, reward processing, loss aversion, anterior insula, impulsivity, monetary incentive delay task, reward omission
MeSH terms
Adult, Alcoholism, Corpus Striatum, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Motivation, Reward, Young Adult

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