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Functional Consequences of Tinnitus in Military Service Members
LaGuinn P Sherlock1,2, Gregory M Ellis2, Douglas S Brungart2
1Hearing Conservation and Readiness Branch, Defense Centers for Public Health-Aberdeen, MD.
American Journal of Audiology
|June 13, 2025
Summary
This study found that while tinnitus didn't significantly impact cognitive tasks, it was linked to poorer extended high-frequency hearing. Machine learning accurately predicted tinnitus presence using hearing and sleep data.
Area of Science:
- Audiology and Hearing Science
- Neuroscience
- Military Health
Background:
- Tinnitus significantly impacts daily life for many, particularly U.S. Service members.
- Assessing tinnitus effects on functional performance is crucial for military personnel.
- Understanding tinnitus predictors aids in early identification and management.
Purpose of the Study:
- To investigate the effects of tinnitus on subjective, objective, auditory, and cognitive measures.
- To identify key factors predicting self-reported tinnitus presence using machine learning.
Main Methods:
- Prospective study involving 463 active duty U.S. Service members.
- Participants underwent auditory and cognitive testing.
- Questionnaires assessed tinnitus, depression, anxiety, and sleep difficulty.
Main Results:
- No significant differences in selective attention, short-term memory, or speech-in-noise tasks.
- Significant group differences observed in extended high-frequency hearing thresholds.
- Machine learning model achieved ~80% accuracy in predicting tinnitus presence.
Conclusions:
- Extended high-frequency hearing deficits are associated with self-reported tinnitus.
- Combined audiometric, high-frequency hearing, and sleep data accurately predict tinnitus.
- Findings support the link between specific auditory measures and tinnitus experience.
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