Cited by 54Neural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on BehaviorSchizophrenia research and treatment

Dopamine D2 Receptor Modulation of Human Response Inhibition and Error Awareness

Nandam, L. Sanjay, Hester, Robert, Wagner, Joe, Dean, Angela J., Messer, Cassandra, Honeysett, Asha, Nathan, Pradeep J., Bellgrove, Mark A.·2013·Journal of Cognitive Neuroscience

Abstract

Response inhibition, comprising action cancellation and action restraint, and error awareness are executive functions of considerable clinical relevance to neuropsychiatric disorders. Nevertheless, our understanding of their underlying catecholamine mechanisms, particularly regarding dopamine, is limited. Here, we used the dopamine D2 agonist cabergoline to study its ability to improve inhibitory control and modulate awareness of performance errors. A randomized, double-blind, placebo-controlled, crossover design with a single dose of cabergoline (1.25 mg) and placebo (dextrose) was employed in 25 healthy participants. They each performed the stop-signal task, a well-validated measure of action cancellation, and the Error Awareness Task, a go/no-go measure of action restraint and error awareness, under each drug condition. Cabergoline was able to selectively reduce stop-signal RT, compared with placebo, indicative of enhanced action cancellation (p < .05). This enhancement occurred without concomitant changes in overall response speed or RT variability and was not seen for errors of commission on the Error Awareness Task. Awareness of performance errors on the go/no-go task was, however, significantly improved by cabergoline compared with placebo (p < .05). Our results contribute to growing evidence for the dopaminergic control of distinct aspects of human executive ability, namely, action cancellation and error awareness. The findings may aid the development of new, or the repurposing of existing, pharmacotherapy that targets the cognitive dysfunction of psychiatric and neurological disorders. They also provide further evidence that specific cognitive paradigms have correspondingly specific neurochemical bases.

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Crossref · 10.1162/jocn_a_00327

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Authors
Nandam, L. S., Hester, R., Wagner, J., Dean, A. J., Messer, C., Honeysett, A., Nathan, P. J., & Bellgrove, M. A.
Affiliations
  • The University of Queensland (AU)
  • The University of Melbourne (AU)
  • University of Cambridge (GB)
Venue
Journal of Cognitive Neuroscience
Published
2013-04-01
Volume
25
Issue
4
Pages
649-656
ISSN
  • 0898-929X (ISSN-L)
  • 1530-8898
OpenAlex
W2109637643
Cited by
50
References
51
Citations by year
2026: 2 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 2 · 2021: 5 · 2020: 4 · 2019: 1 · 2018: 6 · 2017: 2 · 2016: 6 · 2015: 4 · 2014: 9 · 2013: 4
FWCI
2.78
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cognitive Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Keywords
dopamine D2 receptor, cabergoline, response inhibition, error awareness, action cancellation, executive function, stop-signal task, go/no-go task, commission errors, catecholamines, dopaminergic modulation
MeSH terms
Cabergoline, Adolescent, Adult, Awareness, Double-Blind Method, Ergolines, Humans, Inhibition, Psychological, Male, Motor Activity, Neuropsychological Tests, Psychomotor Performance, Reaction Time, Time Factors, Receptors, Dopamine D2, Signal Detection, Psychological, Dopamine Agonists, Young Adult

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