Cited by 60Neurotransmitter Receptor Influence on BehaviorStress Responses and CortisolNeural and Behavioral Psychology Studies

Stress-induced dopamine release in human medial prefrontal cortex-18F-Fallypride/PET study in healthy volunteers: Stress-Induced Dopamine Release in m PFC

Nagano-Saito, Atsuko, Dagher, Alain, Booij, Linda, Gravel, Paul, Welfeld, Krzysztof, Casey, Kevin F., Leyton, Marco, Benkelfat, Chawki·2013·Synapse

Abstract

BACKGROUND: In laboratory animals, environmental stressors markedly activate the mesocortical dopamine system. The present study tested whether this occurs in humans. METHODS: The effects of a laboratory psychological stressor (Montreal Imaging Stress Task, MIST) on mesocortical dopamine release in healthy young adults (11 males, mean age ± SD, 20.6 ± 2.4 years) was measured using positron emission tomography and [(18)F]fallypride. Each subject was scanned in two separate days in counterbalanced order: one with the MIST and one with the control task. Binding potential (BP ND ) maps of the whole brain were calculated for each scan, using a simplified reference tissue compartmental model. Then BP ND was compared between subjects. Heart rate, galvanic skin response, and salivary cortisol level were measured during the scans. RESULTS: The psychological stressor significantly decreased [(18)F]fallypride binding values in the dorsal part of the medial prefrontal cortex (dmPFC), corresponding to the rostal part of the cingulate motor zone. The greater the stress-induced decrease in [(18)F]fallypride binding in the dmPFC, the greater the stress-induced increases in heart rate. CONCLUSIONS: The present study provides evidence of stress-induced dopamine release in the mPFC in humans, in vivo.

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Crossref · 10.1002/syn.21700

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Authors
Nagano-Saito, A., Dagher, A., Booij, L., Gravel, P., Welfeld, K., Casey, K. F., Leyton, M., & Benkelfat, C.
Affiliations
  • McGill University (CA)
  • Centre Hospitalier Universitaire Sainte-Justine (CA)
Venue
Synapse
Publisher
Wiley
Published
2013-09-12
Volume
67
Issue
12
Pages
821-830
ISSN
0887-4476 (ISSN-L)
OpenAlex
W2165296496
Cited by
60
References
66
Citations by year
2026: 1 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 6 · 2020: 6 · 2019: 2 · 2018: 5 · 2017: 6 · 2016: 8 · 2015: 9 · 2014: 9 · 2013: 2
FWCI
4.58
Type
journal article
Language
en
Open access
closed
Locations
  • Synapse (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
psychological stress, dopamine release, medial prefrontal cortex, dorsomedial prefrontal cortex, mesocortical dopamine system, Montreal Imaging Stress Task, heart rate, salivary cortisol, skin conductance
MeSH terms
Adolescent, Adult, Benzamides, Dopamine, Heart Rate, Humans, Male, Pyrrolidines, Stress, Psychological, Prefrontal Cortex, Positron-Emission Tomography, Healthy Volunteers

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