Understanding how brain signals affect motivation and behavior

Balancing motivation through VTA GABA/Glutamate co-transmission

NIH-funded research Dartmouth College · NIH-11145306

This study is looking at how certain brain cells in a part of the brain called the VTA affect our feelings of motivation and reward, which could help us find better treatments for conditions like depression and bipolar disorder.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionDartmouth College NIH-funded
Lab location1 site (Hanover, United States)
Project IDNIH-11145306 on NIH RePORTER

What this research studies

This research investigates the neural mechanisms that regulate motivation and behavior, particularly focusing on the ventral tegmental area (VTA) of the brain. The study aims to explore how certain neurons in the VTA can send both inhibitory and excitatory signals, which may influence feelings of reward and aversion. By using advanced techniques like in vivo calcium imaging, the research will monitor the activity of these neurons and their impact on the amygdala, a key area involved in emotional processing. The goal is to uncover insights that could lead to more effective treatments for neuropsychiatric disorders such as major depression and bipolar disorder.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with major depression or bipolar disorder.

Not a fit: Patients with conditions unrelated to motivation or mood regulation may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved therapeutic strategies for patients suffering from mood disorders.

How similar studies have performed: Previous research has shown promise in understanding the role of neurotransmitter systems in motivation, suggesting that this approach could yield valuable insights.

Where this research is happening

Hanover, United States

Researchers

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 below.
Last reviewed 2026-06-09 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.