Cited by 804Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNeural and Behavioral Psychology Studies

Reward and aversion in a heterogeneous midbrain dopamine system

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Lammel, Stephan, Lim, Byung Kook, Malenka, Robert C.·2014·Neuropharmacology

Abstract

The ventral tegmental area (VTA) is a heterogeneous brain structure that serves a central role in motivation and reward processing. Abnormalities in the function of VTA dopamine (DA) neurons and the targets they influence are implicated in several prominent neuropsychiatric disorders including addiction and depression. Recent studies suggest that the midbrain DA system is composed of anatomically and functionally heterogeneous DA subpopulations with different axonal projections. These findings may explain a number of previously confusing observations that suggested a role for DA in processing both rewarding as well as aversive events. Here we will focus on recent advances in understanding the neural circuits mediating reward and aversion in the VTA and how stress as well as drugs of abuse, in particular cocaine, alter circuit function within a heterogeneous midbrain DA system. This article is part of a Special Issue entitled 'NIDA 40th Anniversary Issue'.

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  • Midbrain dopamine neurons constitute the mesocorticolimbic pathway critical for creating rewards and signaling aversive outcomes.

    “Furthermore, midbrain DA neurons constitute the mesocorticolimbic pathway critical for creating rewards and signaling aversive outcomes (55, 56).”

    From Emotional Blunting in Patients With Major Depressive Disorder: A Brief Non-systematic Review of Current Research (2021) · cites this paper as [56]

    The Introduction and section 3 describe midbrain dopamine neurons as involved in reward signaling and responses to aversive events; section 4 also links particular VTA projections to reward and aversion-related behavior. But the Introduction describes a heterogeneous midbrain system that includes substantia nigra and VTA neurons, so the paper does not support identifying all midbrain dopamine neurons with the mesocorticolimbic pathway. Its account of reward-related signaling and reinforcement is also narrower than saying these neurons create rewards. (LLM, conf=0.81)

    Experimental — accuracy not yet measured
  • Prefrontal cortex and hippocampus decode stimulus and environmental features to guide adaptive reward responses, while lateral hypothalamus-lateral habenula circuits encode negative valence; both are integrated in nucleus accumbens and ventral tegmental area to regulate dopamine.

    “A grossly oversimplified overview of these circuits is that the prefrontal cortices and hippocampus are devoted to detecting and decoding specific features of stimuli and the environment, including the social environment, to guide decision-making and ensure adaptive, flexible, and predictive responses to rewarding stimuli, whereas the lateral hypothalamus-lateral habenula circuits predominantly En”

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Authors
Lammel, S., Lim, B. K., & Malenka, R. C.
Affiliations
Stanford Medicine (US)
Corresponding author
Malenka, Robert C.
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2014-01
Volume
76
Pages
351-359
ISSN
0028-3908 (ISSN-L)
OpenAlex
W2045821490
Cited by
804
References
126
Citations by year
2026: 47 · 2025: 59 · 2024: 61 · 2023: 56 · 2022: 61 · 2021: 83 · 2020: 71 · 2019: 83 · 2018: 73 · 2017: 47 · 2016: 55 · 2015: 64 · 2014: 36 · 2013: 8
FWCI
5.42
Type
journal article
Language
en
Open access
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Simons Foundation Autism Research Initiative
  • National Institutes of Health
  • National Institute of Mental Health (P50MH086403)
  • National Institute on Drug Abuse (R21DA032955, P01DA008227)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
ventral tegmental area, midbrain dopamine system, reward processing, aversion, stress, cocaine, drugs of abuse, neural circuits, motivation, addiction, depression
MeSH terms
Animals, Dopamine, Humans, Nerve Net, Reward, Ventral Tegmental Area

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