Cited by 47Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesDecision-Making and Behavioral Economics

Effects of α-2A adrenergic receptor agonist on time and risk preference in primates

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Kim, Soyoun, Bobeica, Irina, Gamo, Nao J., Arnsten, Amy F. T., Lee, Daeyeol·2012·Psychopharmacology

Abstract

Rationale Subjective values of actions are influenced by the uncertainty and immediacy of expected rewards. Multiple brain areas, including the prefrontal cortex and basal ganglia, are implicated in selecting actions according to their subjective values. Alterations in these neural circuits, therefore, might contribute to symptoms of impulsive choice behaviors in disorders such as substance abuse and attention-deficit hyperactivity disorder (ADHD). In particular, the α-2A noradrenergic system is known to have a key influence on prefrontal cortical circuits, and medications that stimulate this receptor are currently in use for the treatment of ADHD. Objective We tested whether the preference of rhesus monkeys for delayed and uncertain reward is influenced by the α-2A adrenergic receptor agonist, guanfacine. Methods In each trial, the animal chose between a small, certain and immediate reward and another larger, more delayed reward. In half of the trials, the larger reward was certain, whereas in the remaining trials, the larger reward was uncertain. Results Guanfacine increased the tendency for the animal to choose the larger and more delayed reward only when it was certain. By applying an econometric model to the animal's choice behavior, we found that guanfacine selectively reduced the animal's time preference, increasing their choice of delayed, larger rewards, without significantly affecting their risk preference. Conclusions In combination with previous findings that guanfacine improves the efficiency of working memory and other prefrontal functions, these results suggest that impulsive choice behaviors may also be ameliorated by strengthening prefrontal functions.

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  1. Kable JW Glimcher PW 2007 The neural correlates of subjective value during intertemporal choice Nat Neurosci 10 1625 1633 10.1038/nn2007 17982449 PMC2845395 · DOI · Paper page
  2. Stephens DW Krebs JR 1986 Foraging theory Princeton Princeton Univ Press

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Authors
Kim, S., Bobeica, I., Gamo, N. J., Arnsten, A. F. T., & Lee, D.
Affiliations
Yale University (US)
Corresponding author
Lee, Daeyeol
Venue
Psychopharmacology
Published
2011-10-07
Volume
219
Issue
2
Pages
363-375
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W1998060466
Cited by
47
References
94
Citations by year
2024: 3 · 2023: 1 · 2022: 4 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 1 · 2015: 6 · 2014: 13 · 2013: 3 · 2012: 4
FWCI
2.65
Type
journal article
Language
en
Open access
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Yale University
  • Shire
  • National Institutes of Health
  • National Institute on Drug Abuse (RL1DA024855)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Decision Sciences › General Decision Sciences › Decision-Making and Behavioral Economics
Keywords
guanfacine, time preference, risk preferences, delay discounting, uncertainty, impulsive choice, rhesus monkeys, prefrontal cortex, basal ganglia, subjective value, ADHD treatment, working memory
MeSH terms
Animals, Conditioning, Operant, Decision Making, Macaca mulatta, Male, Reward, Risk-Taking, Time Factors, Guanfacine, Adrenergic alpha-2 Receptor Agonists

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