Understanding how the ear processes complex sounds

Human Cochlear Masking and Suppression Measured using Dynamic Stimuli

NIH-funded research University of Southern California · NIH-10898510

This study looks at how our ears and brains understand changing sounds, like music or speech, and how these sounds can sometimes make it harder to hear other noises, especially for people with hearing loss, with the goal of finding ways to make hearing aids and therapies better for everyone.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-10898510 on NIH RePORTER

What this research studies

This research investigates how the human auditory system processes complex sounds that change over time and frequency. By examining the effects of different sound patterns, specifically upward and downward frequency sweeps, the study aims to understand how these sounds mask other tones and how this relates to hearing loss. The research combines human behavioral studies with physiological measurements from animal models to explore the mechanisms behind sound detection and masking. Patients may benefit from insights that could improve hearing aids and auditory therapies.

Who could benefit from this research

Good fit: Ideal candidates include individuals experiencing hearing loss or auditory processing difficulties.

Not a fit: Patients with normal hearing may not receive direct benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for hearing loss and better auditory devices.

How similar studies have performed: Previous studies have shown promising results in understanding auditory processing, but this specific approach is novel.

Where this research is happening

Los Angeles, UNITED STATES

Researchers

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 below.
Last reviewed 2026-06-09 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.