Cited by 986Neurotransmitter Receptor Influence on BehaviorNeuroendocrine regulation and behaviorMemory and Neural Mechanisms

The Vertebrate mesolimbic reward system and social behavior network: A comparative synthesis

O'Connell, Lauren A., Hofmann, Hans A.·2011·Journal of Comparative Neurology

Abstract

All animals evaluate the salience of external stimuli and integrate them with internal physiological information into adaptive behavior. Natural and sexual selection impinge on these processes, yet our understanding of behavioral decision‐making mechanisms and their evolution is still very limited. Insights from mammals indicate that two neural circuits are of crucial importance in this context: the social behavior network and the mesolimbic reward system. Here we review evidence from neurochemical, tract‐tracing, developmental, and functional lesion/stimulation studies that delineates homology relationships for most of the nodes of these two circuits across the five major vertebrate lineages: mammals, birds, reptiles, amphibians, and teleost fish. We provide for the first time a comprehensive comparative analysis of the two neural circuits and conclude that they were already present in early vertebrates. We also propose that these circuits form a larger social decision‐making (SDM) network that regulates adaptive behavior. Our synthesis thus provides an important foundation for understanding the evolution of the neural mechanisms underlying reward processing and behavioral regulation. J. Comp. Neurol. 519:3599–3639, 2011. © 2011 Wiley‐Liss, Inc.

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Authors
O'Connell, L. A., & Hofmann, H. A.
Affiliations
The University of Texas at Austin (US)
Corresponding author
Hofmann, Hans A.
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
2011-10-17
Volume
519
Issue
18
Pages
3599-3639
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W2023832732
Cited by
986
References
542
Citations by year
2026: 53 · 2025: 64 · 2024: 69 · 2023: 72 · 2022: 94 · 2021: 90 · 2020: 81 · 2019: 81 · 2018: 75 · 2017: 83 · 2016: 59 · 2015: 58 · 2014: 44 · 2013: 38 · 2012: 19
FWCI
12.62
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
mesolimbic reward system, social behavior network, social decision-making, neural circuit evolution, reward processing, adaptive behavior, neural tracing, comparative neuroanatomy, mammals, birds, reptiles, amphibians, teleosts
MeSH terms
Adaptation, Psychological, Animals, Biological Evolution, Limbic System, Neural Pathways, Reward, Social Behavior, Species Specificity, Vertebrates, Dopaminergic Neurons

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