NIH-funded research R01 grant

Understanding how dopamine and glutamate neurons work together in the brain's reward system

Official title: Untangling dopamine and glutamate neuron function in the VTA

Funded at University of Colorado · NIH-11130998 · Data updated 2026-11-12

This study is looking at how certain brain cells that release dopamine work with other cells during experiences that make us feel good or bad, to help us understand how these processes affect learning and behavior, which could be helpful for people dealing with addiction and similar issues.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Colorado
NIH-funded
Lab location1 site (Boulder, UNITED STATES)
Project startJuly 3, 2024
Project endFebruary 28, 2029
Funding year2025
Award (this year)$537,225
NIH project number5R01MH137472-02
Project IDNIH-11130998 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research include individuals with addiction disorders or those affected by conditions related to reward and aversion learning.

Less likely to help

Patients who do not have issues related to addiction or reward processing may not receive direct benefits from this research.

What this research studies

This research investigates the functions of dopamine neurons in the ventral tegmental area (VTA) of the brain, focusing on how these neurons interact with glutamate neurons during processes related to reward and aversion. The study aims to differentiate between dopamine neurons that release only dopamine and those that co-release dopamine and glutamate, examining their roles in learning and behavior. By conducting various behavioral tasks, researchers will analyze how these neurons contribute to learning from rewards and negative outcomes, potentially revealing new insights into addiction and related disorders.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for addiction and other disorders related to reward processing.

How similar studies have gone: Previous research has shown promising results in understanding the roles of different neuron types in behavior, suggesting that this approach could yield valuable insights.

Where this research is happening

  • University of Colorado
    Boulder, United States
    Active

Researchers

  • Principal investigator: Root, David H — University of Colorado
  • Study coordinator: Root, David H

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.