Controlling dopamine timing with targeted brain stimulation
Control of the time course of dopamine release through optimized electrical brain stimulation.
Researchers are developing deep brain stimulation methods to change how quickly and how long dopamine is released to help people with movement, mood, or learning problems.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Arizona NIH-funded |
| Lab location | 1 site (Tucson, United States) |
| Project ID | NIH-11164634 on NIH RePORTER |
What this research studies
The team will use targeted electrical stimulation of deep brain areas to shape fast (phasic) versus slow (tonic) dopamine release and record how neurons and dopamine respond. Experiments will combine stimulation protocols with precise measurements of dopamine and neural activity in laboratory models to find stimulation patterns that produce desired release timing. The goal is to produce stimulation strategies that restore healthy dopamine signals linked to movement, motivation, and learning. If those strategies work in the lab, they could be adapted into new options for patients treated with deep brain stimulation.
Who could benefit from this research
Good fit: Ideal candidates would be adults with conditions often treated by deep brain stimulation—such as Parkinson's disease, essential tremor, refractory epilepsy, or treatment-resistant depression—who might join future clinical tests of optimized stimulation patterns.
Not a fit: People whose symptoms are unrelated to dopamine signaling or who are not candidates for brain surgery are unlikely to benefit from these approaches.
Why it matters
Potential benefit: This work could lead to improved DBS settings that better restore movement, mood, or motivation by correcting abnormal dopamine timing.
How similar studies have performed: Deep brain stimulation already helps Parkinson's tremor and has emerging uses in epilepsy and depression, but precise methods to control dopamine timing are largely new and experimental.
Where this research is happening
Tucson, United States
- University of Arizona — Tucson, United States (Active)
Researchers
- Principal investigator: Cowen, Stephen Leigh — University of Arizona
- Study coordinator: Cowen, Stephen Leigh
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.