How the inner ear amplifies sound and how to measure it without surgery
Modeling cochlear micromechanics and noninvasive measures of cochlear function
This project aims to make noninvasive ear tests like otoacoustic emissions better at showing where cochlear damage is, to help people with hearing problems get clearer diagnoses.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Georgia Institute of Technology NIH-funded |
| Lab location | 1 site (Atlanta, United States) |
| Project ID | NIH-11048274 on NIH RePORTER |
What this research studies
Researchers will build detailed 3-D computer models of how the tiny structures inside the cochlea move and interact during hearing. They will compare those models with measurements such as otoacoustic emissions (sounds the ear makes) and cochlear microphonics (electrical signals tied to outer hair cells) from experiments. By linking model predictions to real measurements, the team hopes to identify how specific test patterns map to locations or types of inner-ear damage. That work is intended to make routine, noninvasive ear tests more informative for people with suspected sensorineural hearing loss.
Who could benefit from this research
Good fit: People with suspected cochlear (sensorineural) hearing loss, abnormal otoacoustic emissions, or those referred for detailed cochlear function testing would be the most relevant candidates.
Not a fit: Patients whose hearing loss is from middle-ear problems, auditory nerve/brain disorders, or who need immediate surgical or medical treatment rather than improved diagnostics may not benefit directly.
Why it matters
Potential benefit: Could lead to noninvasive tests that pinpoint where the cochlea is damaged and improve diagnosis and monitoring for people with hearing loss.
How similar studies have performed: Otoacoustic emissions are widely used for screening and basic diagnosis, but using detailed 3-D micromechanical models to precisely localize cochlear damage is largely novel.
Where this research is happening
Atlanta, United States
- Georgia Institute of Technology — Atlanta, United States (Active)
Researchers
- Principal investigator: Meaud, Julien — Georgia Institute of Technology
- Study coordinator: Meaud, Julien
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.