Cited by 251Smoking Behavior and CessationNicotinic Acetylcholine Receptors StudyNeurotransmitter Receptor Influence on Behavior

The neurobiology of tobacco dependence: A preclinical perspective on the role of the dopamine projections to the nucleus

Balfour, David·2004·Nicotine & Tobacco Research

Abstract

It is now widely accepted that nicotine is the primary addictive component of tobacco smoke and that a majority of habitual smokers find it difficult to quit smoking because of their dependence upon this component of the smoke. However, although nicotine replacement therapy elicits a clinically valuable and significant improvement in the number of quit attempts that are ultimately successful, its efficacy remains disappointingly low. This review considers some of the reasons for this problem. It focuses on the hypothesis that stimulation of the dopamine (DA) projections to the medial shell and the core of the nucleus accumbens play complementary roles in the development of nicotine dependence. The hypothesis proposes that increased extra-synaptic DA in the medial shell of the accumbens confers hedonic properties on behaviors, such as smoking, which deliver nicotine, and thereby increase the probability that the response is learned. It also summarizes the evidence that the primary role of the increased DA overflow, observed in the accumbal core of nicotine-pretreated individuals, challenged with nicotine, is the attribution of incentive salience to cues associated with delivery of the drug and the transition to Pavlovian responding to these conditioned stimuli. The review argues that sensitization of the DA projections to the accumbal core, and the behaviors that depend upon this process, play a pivotal role in the maintenance of the tobacco smoking habit and that it is this component of the dependence that is inadequately addressed by nicotine replacement therapy.

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Crossref · 10.1080/14622200412331324965

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Authors
Balfour, D.
Affiliations
University of Dundee (GB)
Corresponding author
Balfour, David
Venue
Nicotine & Tobacco Research
Published
2004-12-01
Volume
6
Issue
6
Pages
899-912
ISSN
  • 1462-2203 (ISSN-L)
  • 1469-994X
OpenAlex
W2322700613
Cited by
251
References
2
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 5 · 2022: 3 · 2021: 7 · 2020: 4 · 2019: 5 · 2018: 5 · 2017: 12 · 2016: 12 · 2015: 9 · 2014: 14 · 2013: 17 · 2012: 15
FWCI
11.26
Type
journal article
Language
en
Open access
closed
Locations
  • Nicotine & Tobacco Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Wellcome Trust
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
nicotine dependence, smoking, nucleus accumbens, incentive salience, classical conditioning, nicotine replacement therapy, smoking cessation, hedonic behavior, dopamine sensitization
MeSH terms
Conditioning, Classical, Dopamine, Drug Administration Routes, Humans, Neurons, Nicotine, Nucleus Accumbens, Psychological Theory, Synapses, Tobacco Use Disorder, Smoking Cessation

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