Understanding how the cochlea processes sound and pitch perception
Official title: Cochlear micromechanical mechanisms underlying psychoacoustic phenomena
Funded at Oregon Health & Science University · NIH-11086127 · Data updated 2026-11-12
This study is looking at how tiny movements in the inner ear help us hear sounds, especially when it comes to understanding pitch and detecting gaps in noise, using gerbils to see how these movements change with different sounds and noise levels, which could help us learn more about hearing problems.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Oregon Health & Science University NIH-funded |
| Lab location | 1 site (Portland, United States) |
| Project start | June 16, 2023 |
| Project end | May 31, 2028 |
| Funding year | 2025 |
| Award (this year) | $580,494 |
| NIH project number | 5R01DC021143-03 |
| Project ID | NIH-11086127 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals experiencing hearing challenges or auditory dysfunction.
✕Less likely to help
Patients with normal hearing or those whose auditory issues are unrelated to cochlear mechanics may not benefit from this research.
What this research studies
This research investigates the micromechanical mechanisms in the cochlea that contribute to how we perceive sound, particularly focusing on phenomena like the pitch of missing fundamentals and gap detection. By measuring vibrations in the cochlea and the electrical responses of auditory nerves in living gerbils, the study aims to uncover how these mechanical processes affect hearing. The researchers will conduct experiments to observe how noise impacts these vibrations and the resulting auditory signals, providing insights into the underlying mechanisms of auditory disorders.
Why it matters
Potential benefit: If successful, this research could lead to improved diagnostic tools and treatments for individuals with auditory disorders.
How similar studies have gone: While the study explores established concepts in auditory research, it aims to provide new insights into cochlear mechanics, making it a novel approach.
Where this research is happening
-
Oregon Health & Science University
Portland, United States Active
Researchers
- Principal investigator: Ren, Tianying — Oregon Health & Science University
- Study coordinator: Ren, Tianying
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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.