Cited by 225Neurotransmitter Receptor Influence on BehaviorMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

Aversive Stimuli Differentially Modulate Real-Time Dopamine Transmission Dynamics within the Nucleus Accumbens Core and Shell

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Badrinarayan, Aneesha, Wescott, Seth A., Vander Weele, Caitlin M., Saunders, Benjamin T., Couturier, Brenann E., Maren, Stephen, Aragona, Brandon J.·2012·The Journal of Neuroscience

Abstract

Although fear directs adaptive behavioral responses, how aversive cues recruit motivational neural circuitry is poorly understood. Specifically, while it is known that dopamine (DA) transmission within the nucleus accumbens (NAc) is imperative for mediating appetitive motivated behaviors, its role in aversive behavior is controversial. It has been proposed that divergent phasic DA transmission following aversive events may correspond to segregated mesolimbic dopamine pathways; however, this prediction has never been tested. Here, we used fast-scan cyclic voltammetry to examine real-time DA transmission within NAc core and shell projection systems in response to a fear-evoking cue. In male Sprague Dawley rats, we first demonstrate that a fear cue results in decreased DA transmission within the NAc core, but increased transmission within the NAc shell. We examined whether these changes in DA transmission could be attributed to modulation of phasic transmission evoked by cue presentation. We found that cue presentation decreased the probability of phasic DA release in the core, while the same cue enhanced the amplitude of release events in the NAc shell. We further characterized the relationship between freezing and both changes in DA as well as local pH. Although we found that both analytes were significantly correlated with freezing in the NAc across the session, changes in DA were not strictly associated with freezing while basic pH shifts in the core more consistently followed behavioral expression. Together, these results provide the first real-time neurochemical evidence that aversive cues differentially modulate distinct DA projection systems.

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Crossref · 10.1523/jneurosci.3557-12.2012

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  • Aversive stimuli induce delayed, post-stimulus dopamine release in the shell of the nucleus accumbens, the magnitude of which predicts successful punishment avoidance.

    “Correspondingly, aversive stimuli induce delayed, post-stimulus dopamine release in the shell of the nucleus accumbens63,133, the magnitude of which predicts successful punishment avoidance136.”

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Authors
Badrinarayan, A., Wescott, S. A., Vander Weele, C. M., Saunders, B. T., Couturier, B. E., Maren, S., & Aragona, B. J.
Affiliations
University of Michigan (US)
Venue
The Journal of Neuroscience
Published
2012-11-07
Volume
32
Issue
45
Pages
15779-15790
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1976193796
Cited by
225
References
82
Citations by year
2026: 10 · 2025: 18 · 2024: 26 · 2023: 30 · 2022: 12 · 2021: 11 · 2020: 15 · 2019: 17 · 2018: 21 · 2017: 5 · 2016: 10 · 2015: 14 · 2014: 18 · 2013: 18
FWCI
6.59
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (0953106)
  • National Institutes of Health
  • National Institute of Mental Health (R01MH065961)
  • National Institute on Drug Abuse (T32DA007281)
  • National Institute of General Medical Sciences (T32GM007484)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
dopamine release, nucleus accumbens core, nucleus accumbens shell, aversive stimuli, fear, phasic dopamine release, freezing behavior, local pH, mesolimbic dopamine system, fast-scan cyclic voltammetry
MeSH terms
Animals, Conditioning, Classical, Cues, Dopamine, Electroshock, Fear, Male, Synaptic Transmission, Neurons, Nucleus Accumbens, Rats, Sprague-Dawley, Rats

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