Brain scans reveal Opioid's impact on Self-Control

NCT ID NCT03190954

First seen Nov 01, 2025 · Last updated Apr 28, 2026 · Updated 28 times

Summary

This study looked at how heavy opioid use changes dopamine, a brain chemical linked to addiction and self-control. Researchers compared brain scans and thinking tests between people with opioid use disorder and healthy volunteers. The goal was to understand the brain changes behind addiction, not to test a new treatment.

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Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

Conditions

Explore the condition pages connected to this study.