Understanding how the brain processes complex sounds for clear hearing
Neural bases of masked amplitude-modulation perception
This research explores how our brains separate different sounds, like speech from background noise, to help people hear better in challenging environments.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Rochester NIH-funded |
| Lab location | 1 site (Rochester, United States) |
| Project ID | NIH-11131103 on NIH RePORTER |
What this research studies
Our ability to understand speech relies on how our brains process subtle changes in sound, called amplitude modulation. Sometimes, when many sounds are present, our brains struggle to pick out the important ones, a problem known as modulation masking. This project uses behavioral and brain activity experiments in budgerigars, a type of parakeet known for its human-like hearing, to understand how the brain's 'modulation filterbank' works. By studying how these birds process complex sounds, we hope to uncover the basic mechanisms that allow us to hear clearly, even when there's a lot of background noise.
Who could benefit from this research
Good fit: This foundational research is not directly recruiting patients but aims to benefit individuals who struggle with hearing speech in noisy environments in the future.
Not a fit: Patients seeking immediate treatment or direct clinical intervention would not receive direct benefit from this basic science project.
Why it matters
Potential benefit: If successful, this work could lead to new ways to help people with hearing difficulties better understand speech in noisy situations.
How similar studies have performed: The concept of a 'modulation filterbank' is an exciting theoretical advancement that explains human hearing phenomena, but its physiological mechanisms are still poorly understood.
Where this research is happening
Rochester, United States
- University of Rochester — Rochester, United States (Active)
Researchers
- Principal investigator: Henry, Kenneth Stuart — University of Rochester
- Study coordinator: Henry, Kenneth Stuart
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.