Cited by 1,400Regulation of Appetite and ObesityNeurotransmitter Receptor Influence on BehaviorEating Disorders and Behaviors

Reward, dopamine and the control of food intake: implications for obesity

Open access
Volkow, Nora D., Wang, Gene-Jack, Baler, Ruben D.·2011·Trends in Cognitive Sciences

Abstract

The ability to resist the urge to eat requires the proper functioning of neuronal circuits involved in top-down control to oppose the conditioned responses that predict reward from eating the food and the desire to eat the food. Imaging studies show that obese subjects might have impairments in dopaminergic pathways that regulate neuronal systems associated with reward sensitivity, conditioning and control. It is known that the neuropeptides that regulate energy balance (homeostatic processes) through the hypothalamus also modulate the activity of dopamine cells and their projections into regions involved in the rewarding processes underlying food intake. It is postulated that this could also be a mechanism by which overeating and the resultant resistance to homoeostatic signals impairs the function of circuits involved in reward sensitivity, conditioning and cognitive control.

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Crossref · 10.1016/j.tics.2010.11.001

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  • Over time, dopaminergic response to food cues becomes conditioned, so even sight, smell, or thought of food can trigger dopamine release and cravings.

    “Over time, dopaminergic response to food cues becomes conditioned; eventually even the sight, smell, or thought of food can trigger dopamine release and cravings [15].”

    From Smoking and its impact on eating behavior: A review (2026) · cites this paper as [15]

    In “Food is a potent natural reward and conditioning stimulus” (page not supplied), the paper says repeated exposure transfers the dopamine response to associated cues such as food smells, and that food cues elicit striatal dopamine increases associated with desire to eat. It also discusses viewing food as a conditioned cue, but our copy does not say that merely thinking about food triggers dopamine release and cravings. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Foods high in sugar, fat and salt increase dopamine levels in the nucleus accumbens and reinforce eating habits, especially during stress or boredom.

    “Similarly, foods high in sugar, fat and salt also increase dopamine levels in the nucleus accumbens. Similar to nicotine, highly palatable foods stimulate reward centers and reinforce the habit of eating, especially during stress or boredom.”

    From Smoking and its impact on eating behavior: A review (2026) · cites this paper as [15]

    The section “Food is a potent natural reward and conditioning stimulus” says that foods rich in sugar and fat are potent rewards that promote eating and conditioning. It also describes increased dopamine release in the nucleus accumbens on initial exposure to a food reward. Our copy does not extend those findings to salt or say that stress or boredom especially reinforces eating habits. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • Both smoking and eating highly palatable foods stimulate the dopamine system, reinforcing these behaviors.

    “Both smoking and eating, particularly highly palatable foods stimulate the dopamine system, reinforcing these behaviors.”

    From Smoking and its impact on eating behavior: A review (2026) · cites this paper as [15]

    In “Food is a potent natural reward and conditioning stimulus” (page not available), the paper says eating palatable food releases dopamine and links dopamine to food reward and motivation to eat. It does not establish the smoking-specific part of the claim; searches for smoking and nicotine found no passage addressing it. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Neuroimaging studies have identified some of the brain mechanisms associated with obesity and food addiction, demonstrating alterations in the core reward network (e.g. nucleus accumbens) and the extended reward network (i.e. emotion regulation, executive control, salience and somatosensory networks).

    “Neuroimaging studies have identified some of the brain mechanisms associated with obesity and food addiction 39, 40, demonstrating alterations in the core reward network (e.g. nucleus accumbens) and the extended reward network (i.e. emotion regulation, executive control, salience and somatosensory networks) 41, 42, 43.”
  • The nucleus accumbens is a central part of the dopamine system, regulating reward sensitivity and controlling processes underlying food intake and food addiction.

    “The nucleus accumbens is a central part of the dopamine system, regulating reward sensitivity and controlling processes underlying food intake and food addiction 39.”

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Authors
Volkow, N. D., Wang, G.-J., & Baler, R. D.
Affiliations
  • National Institutes of Health (US)
  • Brookhaven National Laboratory (US)
Corresponding author
Volkow, Nora D.
Venue
Trends in Cognitive Sciences
Publisher
Elsevier BV
Published
2011-01
Volume
15
Issue
1
Pages
37-46
ISSN
1364-6613 (ISSN-L)
OpenAlex
W1993305928
Cited by
1,400
References
110
Citations by year
2026: 82 · 2025: 87 · 2024: 80 · 2023: 64 · 2022: 90 · 2021: 109 · 2020: 158 · 2019: 111 · 2018: 104 · 2017: 101 · 2016: 86 · 2015: 97 · 2014: 87 · 2013: 59 · 2012: 53
FWCI
4.43
Type
journal article
Language
en
Open access
Locations
  • Trends in Cognitive Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Alcohol Abuse and Alcoholism (ZIAAA000550)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
Keywords
food reward, dopamine, food intake regulation, obesity, overeating, homeostatic regulation, neuropeptides, hypothalamus, dopaminergic pathways, cognitive control, energy balance
MeSH terms
Brain, Cognition, Conditioning, Psychological, Dopamine, Eating, Humans, Obesity, Reward

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