How striosomes — a small brain circuit linking mood and movement — work
Functional and anatomical characterization of the striosomal system
Researchers want to map how a brain circuit called the striosomes influences mood, movement, and decision-making to help people with Parkinson's disease and mood disorders.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Massachusetts Institute of Technology NIH-funded |
| Lab location | 1 site (Cambridge, United States) |
| Project ID | NIH-11285342 on NIH RePORTER |
What this research studies
This project looks at tiny zones in the striatum called striosomes that connect mood-related cortex areas to dopamine neurons. The team uses animal models and advanced imaging (including two-photon microscopy) plus anatomical tracing to follow cells, axons, and connections. They observe how these circuits influence behaviors like movement initiation, motivation, and approach-avoidance decisions. The work aims to explain how striosome circuits can affect dopamine neurons and contribute to symptoms seen in Parkinson's and mood disorders.
Who could benefit from this research
Good fit: People with Parkinson's disease, unexplained movement disorders, or mood disorders may find this research most relevant, though the experiments are primarily conducted in animal models rather than enrolling patients.
Not a fit: Healthy people without neurological or psychiatric conditions should not expect direct benefit because this is basic laboratory research in animals.
Why it matters
Potential benefit: If successful, this could identify new circuit targets to guide treatments for motor and mood symptoms in Parkinson's disease and related disorders.
How similar studies have performed: Previous animal circuit-mapping work supports the idea that striosomes influence dopamine neurons and behavior, but direct, detailed functional mapping of striosomes remains relatively novel.
Where this research is happening
Cambridge, United States
- Massachusetts Institute of Technology — Cambridge, United States (Active)
Researchers
- Principal investigator: Graybiel, Ann M — Massachusetts Institute of Technology
- Study coordinator: Graybiel, Ann M
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.