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The Contributions of Age Related Changes in the Sound Localization Pathway to Central Hearing Loss

Healthy Individuals Clinical Trial

Official title:
The Contributions of Age Related Changes in the Sound Localization Pathway to Central Hearing Loss

Clinical Trial Summary

Age-related hearing loss, presbycusis, affects up to 50% of American adults. There are two main causes for presbycusis: 1) Progressive death of hair cells in the inner ear, and 2) Central hearing loss, or the reduced ability to decipher the sound source of interest from other competing sounds in a multi-source complex environment. The first cause is better understood and treatment options, such as hearing aids and cochlear implants, are available. However, central hearing loss is not as well understood and there is not a treatment available at this time. This study aims to advance our understanding of central hearing loss by evaluating the abilities of younger and older listeners in two primary outcome measures: to 1) neurologically process sound stimuli and 2) focus on conversational speech in the presence of spatially-separated competing background noise. A test using Auditory Brainstem Responses (ABR) will be used to evaluate the brain's response to clicking sounds. This study will assess all waveform data, but will focus particularly on wave III. Sentence in noise tests will be used to assess each subject's ability to process speech in noisy situations. Both the ABR and sentence in noise tests are non-invasive and are commonly used in audiology practices to diagnosis and treat a variety of audiological pathologies.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04513782
Study type Observational
Source University of Colorado, Denver
Contact Shaylene Denham
Phone 303-724-8465
Email shaylene.denham@cuanschutz.edu
Status Recruiting
Phase
Start date October 1, 2020
Completion date May 29, 2026
View Details
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