Understanding how the brain processes background noise during listening
Cortical processing of informational masking
This study is looking at how the brain helps people hear sounds in noisy places, especially for those who use hearing aids or cochlear implants, to find ways to make these devices better at helping them understand speech when there's a lot of background noise.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Carnegie-Mellon University NIH-funded |
| Lab location | 1 site (Pittsburgh, United States) |
| Project ID | NIH-10907404 on NIH RePORTER |
What this research studies
This research investigates how the brain's auditory cortex processes sounds in noisy environments, particularly focusing on the challenges faced by users of hearing aids and cochlear implants. It aims to differentiate between two types of sound masking: energetic masking, which is well understood, and informational masking, which is less clear and affects communication in social settings. By studying these mechanisms, the research seeks to improve the design of hearing devices to better help individuals understand speech amidst background noise. The approach includes both behavioral assessments and auditory testing to evaluate individual differences in sound processing.
Who could benefit from this research
Good fit: Ideal candidates for this research include individuals with hearing loss who use or are considering using hearing aids or cochlear implants.
Not a fit: Patients with normal hearing or those who do not use auditory devices may not benefit from this research.
Why it matters
Potential benefit: If successful, this research could lead to enhanced hearing aids and cochlear implants that significantly improve communication for individuals in noisy environments.
How similar studies have performed: Previous research has shown promise in understanding energetic masking, but the exploration of informational masking is relatively novel and less tested.
Where this research is happening
Pittsburgh, United States
- Carnegie-Mellon University — Pittsburgh, United States (Active)
Researchers
- Principal investigator: Shinn-Cunningham, Barbara — Carnegie-Mellon University
- Study coordinator: Shinn-Cunningham, Barbara
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.