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Funded Project Details - FY2021

Project Number:

Title: Uncovering Physiological Markers of Hidden Hearing Loss
Principal Investigator:

Naomi Bramhall

Location: Portland, OR
Congressional District Code: 1
Research Service: Rehabilitation R&D
Project Period: November 2016 - October 2021
FY 2021 Funding Amount: $184,171
Total Award Amount
(all years):
Abstract: View full abstract and other project information on NIH RePORTER


Loud noise exposure experienced during military service results in the two most common service-related disabilities faced by Veterans – tinnitus and hearing loss. Recent animal studies indicate noise exposure can result in significant loss of auditory nerve synapses. Additional studies suggest that synaptic loss may be associated with tinnitus and hyperacusis. However, synaptic loss can exist even when auditory thresholds are normal, making it difficult to detect. Since clinical audiometric test...

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