Cited by 136Neurotransmitter Receptor Influence on BehaviorRegulation of Appetite and ObesityEating Disorders and Behaviors

Putting desire on a budget: dopamine and energy expenditure, reconciling reward and resources

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Beeler, Jeff A., Frazier, Cristianne R. M., Zhuang, Xiaoxi·2012·Frontiers in Integrative Neuroscience

Abstract

Accumulating evidence indicates integration of dopamine function with metabolic signals, highlighting a potential role for dopamine in energy balance, frequently construed as modulating reward in response to homeostatic state. Though its precise role remains controversial, the reward perspective of dopamine has dominated investigation of motivational disorders, including obesity. In the hypothesis outlined here, we suggest instead that the primary role of dopamine in behavior is to modulate activity to adapt behavioral energy expenditure to the prevailing environmental energy conditions, with the role of dopamine in reward and motivated behaviors derived from its primary role in energy balance. Dopamine has long been known to modulate activity, exemplified by psychostimulants that act via dopamine. More recently, there has been nascent investigation into the role of dopamine in modulating voluntary activity, with some investigators suggesting that dopamine may serve as a final common pathway that couples energy sensing to regulated voluntary energy expenditure. We suggest that interposed between input from both the internal and external world, dopamine modulates behavioral energy expenditure along two axes: a conserve-expend axis that regulates generalized activity and an explore-exploit axes that regulates the degree to which reward value biases the distribution of activity. In this view, increased dopamine does not promote consumption of tasty food. Instead increased dopamine promotes energy expenditure and exploration while decreased dopamine favors energy conservation and exploitation. This hypothesis provides a mechanistic interpretation to an apparent paradox: the well-established role of dopamine in food seeking and the findings that low dopaminergic functions are associated with obesity. Our hypothesis provides an alternative perspective on the role of dopamine in obesity and reinterprets the "reward deficiency hypothesis" as a perceived energy deficit. We propose that dopamine, by facilitating energy expenditure, should be protective against obesity. We suggest the apparent failure of this protective mechanism in Western societies with high prevalence of obesity arises as a consequence of sedentary lifestyles that thwart energy expenditure.

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Crossref · 10.3389/fnint.2012.00049

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Authors
Beeler, J. A., Frazier, C. R. M., & Zhuang, X.
Affiliations
University of Chicago (US)
Corresponding author
Beeler, Jeff A.
Venue
Frontiers in Integrative Neuroscience
Published
2012
Volume
6
Pages
49-49
ISSN
1662-5145 (ISSN-L)
OpenAlex
W2149878007
Cited by
136
References
302
Citations by year
2026: 7 · 2025: 4 · 2024: 4 · 2023: 4 · 2022: 33 · 2021: 10 · 2020: 11 · 2019: 9 · 2018: 10 · 2017: 10 · 2016: 8 · 2015: 10 · 2014: 4 · 2013: 7 · 2012: 5
FWCI
3.43
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Integrative Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institute on Drug Abuse (F31DA026802, R01DA25875, R01DA025875)
  • National Institute of General Medical Sciences (R01GM100768)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R56DK088515)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
Keywords
dopamine, energy expenditure, energy balance, reward, obesity, energy conservation, food seeking, sedentary lifestyle, metabolic signals, homeostasis, psychostimulants

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