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Neural circuits controlling choice behavior in opioid addiction.

Victoria N Chang1, Jamie Peters2

  • 1Department of Anesthesiology, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, 80045, USA.

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Summary

New preclinical models are needed to study opioid use disorder (OUD) by examining choice behavior. Understanding these choices is crucial for developing effective treatments for opioid addiction.

Keywords:
Choice behaviorCircuitryOpioid use disorderPrefrontal cortexRelapse

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Area of Science:

  • Neuroscience
  • Behavioral Science
  • Pharmacology

Background:

  • Opioid use disorder (OUD) is a major public health crisis.
  • OUD involves impaired decision-making, prioritizing opioids over other life rewards.
  • Current preclinical models often lack the complexity to study choice behavior in OUD.

Purpose of the Study:

  • To review preclinical and clinical literature on drug choice behavior in OUD.
  • To highlight the need for improved preclinical models that incorporate choice behavior.
  • To identify neural circuits underlying opioid choice and relapse.

Main Methods:

  • Literature review of preclinical addiction models and clinical studies.
  • Analysis of choice behavior paradigms versus single drug self-administration.
  • Examination of neural mechanisms mediating drug choice.

Main Results:

  • Choice behavior is an independent metric of addiction severity, potentially reflecting cognitive control deficits.
  • Preclinical models focusing on choice can better mimic human OUD scenarios.
  • Drug choice and relapse may be mediated by distinct neural circuits.

Conclusions:

  • Preclinical models incorporating choice behavior are essential for developing translationally relevant OUD therapies.
  • Further research into the neural basis of opioid choice is needed.
  • Both forward and reverse translation strategies are vital for novel OUD treatment discovery.