Cited by 337Neurotransmitter Receptor Influence on BehaviorAdvanced MRI Techniques and ApplicationsNeural and Behavioral Psychology Studies

Linking nucleus accumbens dopamine and blood oxygenation

Knutson, Brian, Gibbs, Sasha E. B.·2007·Psychopharmacology

Abstract

Rationale Animal research suggests that anticipation of reward can elicit dopamine release in the nucleus accumbens (NAcc). Human functional magnetic resonance imaging (FMRI) research further suggests that reward anticipation can increase local blood oxygen level dependent (BOLD) signal in the NAcc. However, the physiological relationship between dopamine release and BOLD signal increases in the NAcc has not yet been established.Objectives This review considers pharmacological MRI (phMRI) evidence for a directional relationship between NAcc dopamine release and BOLD signal, as well as implications for human psychopathological symptoms.Results Accumulating phMRI evidence supports a simple model in which NAcc dopamine release activates postsynaptic D1 receptors, which changes postsynaptic membrane potential, eventually increasing local BOLD signal. This continuing influence can change on a second-to-second basis.Conclusions Dopamine release in the NAcc appears to increase local BOLD signal via agonism of postsynaptic D1 receptors. Such a physiological mechanism implies that FMRI may be used to track symptoms related to NAcc dopaminergic dysregulation in psychiatric disorders including schizophrenia and attention deficit/hyperactivity disorder.

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Crossref · 10.1007/s00213-006-0686-7

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Authors
Knutson, B., & Gibbs, S. E. B.
Affiliations
  • Stanford University (US)
  • University of California, Berkeley (US)
Corresponding author
Knutson, Brian
Venue
Psychopharmacology
Published
2007-02-06
Volume
191
Issue
3
Pages
813-822
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2148902913
Cited by
337
References
68
Citations by year
2026: 1 · 2025: 8 · 2024: 4 · 2023: 22 · 2022: 6 · 2021: 11 · 2020: 10 · 2019: 18 · 2018: 24 · 2017: 14 · 2016: 23 · 2015: 20 · 2014: 24 · 2013: 20 · 2012: 15
FWCI
2.62
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Drug Abuse (R03DA020615, DA020615-01)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
nucleus accumbens, dopamine release, BOLD signal, pharmacological MRI, dopamine D1 receptor, reward anticipation, schizophrenia, attention deficit hyperactivity disorder, dopaminergic dysfunction
MeSH terms
Animals, Attention Deficit Disorder with Hyperactivity, Brain Mapping, Cerebrovascular Circulation, Cues, Dopamine, Humans, Magnetic Resonance Imaging, Synaptic Transmission, Nucleus Accumbens, Oxygen, Reward, Schizophrenia, Dopamine Agents, Receptors, Dopamine D1

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