How brain circuits coordinate arm and hand movements
Synaptic circuit organization of motor cortex
['FUNDING_R37'] · NORTHWESTERN UNIVERSITY · NIH-11235202
This research maps the nerve-cell connections that link planning and execution in the brain to help people with arm and hand movement problems.
Quick facts
| Phase | ['FUNDING_R37'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | NORTHWESTERN UNIVERSITY (nih funded) |
| Locations | 1 site (CHICAGO, UNITED STATES) |
| Trial ID | NIH-11235202 on ClinicalTrials.gov |
What this research studies
From my point of view as a patient, the team is studying how parts of the brain that plan movements (premotor areas) talk to the primary motor area that makes my arm and hand move. They use lab experiments in mice to trace axons, record synaptic activity, and map which cell types carry top-down planning signals versus bottom-up sensory signals. The work focuses on the specific synaptic wiring and communication between premotor→motor pathways that help predict and correct movements. By understanding these cellular circuits, researchers hope to reveal mechanisms that underlie movement problems after cortical injury and point toward future treatment ideas.
Who could benefit from this research
Good fit: People with impaired arm or hand movement related to cortical problems—for example after stroke or traumatic brain injury—are the population this work aims to inform for future treatments.
Not a fit: Patients whose movement problems are caused only by peripheral nerve or primary muscle diseases may be less likely to benefit directly from these cortical circuit findings.
Why it matters
Potential benefit: If successful, this could lead to new targets for therapies or rehabilitation strategies that improve arm and hand function after brain injury.
How similar studies have performed: Previous animal studies have mapped motor cortex circuits and provided foundational knowledge, but the specific synaptic mechanisms linking premotor to primary motor areas are less explored and this work is building on those advances.
Where this research is happening
CHICAGO, UNITED STATES
- NORTHWESTERN UNIVERSITY — CHICAGO, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: SHEPHERD, GORDON M — NORTHWESTERN UNIVERSITY
- Study coordinator: SHEPHERD, GORDON 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.