NIH-funded research R01 grant

Supercomputer models to understand how human motor signals reach muscles

Official title: Supercomputer-based Models of Motoneurons for Estimating Their Synaptic Inputs in Humans

Funded at Northwestern University · NIH-11617703 · Data updated 2026-11-12

A computer-based effort uses human motoneuron models to figure out the exact mix of inputs that control muscle activity.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University
NIH-funded
Lab location1 site (Chicago, United States)
Project startMay 1, 2022
Project endFebruary 28, 2027
Funding year2026
Award (this year)$28,184
NIH project number3R01NS125863-05S1
Project IDNIH-11617703 on NIH RePORTER

Who could benefit from this research

Could help

Individuals with motor function concerns or those interested in motor control research could potentially benefit through future discoveries.

Less likely to help

People not affected by movement disorders or who are not part of future translational steps may not directly benefit.

What this research studies

This project builds detailed computer models of human motoneurons and uses them to reverse-engineer the firing patterns we see in muscles. By simulating excitation, inhibition, and neuromodulation, the researchers aim to uncover how these inputs shape motor commands in people. The work leverages advances in recording motor unit activity and applies supercomputing to interpret complex neural signals. If successful, it could reveal new ways to understand movement disorders and improve therapies.

Why it matters

Potential benefit: Could lead to better understanding of human movement and inform treatments for motor disorders.

How similar studies have gone: Previous work using detailed neuron models and motor-unit recordings has shown promise in revealing nonlinear input patterns, suggesting potential for this approach.

Where this research is happening

  • Northwestern University
    Chicago, United States
    Active

Researchers

  • Principal investigator: Heckman, Charles — Northwestern University
  • Study coordinator: Heckman, Charles

Related research

Other NIH-funded projects on the same topics.

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.