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The HCE Collaborative Auditory and Vestibular Research Network is a group started by HCE in 2015. It includes more than 300 researchers working to help service members and veterans with their hearing and balance problems.
The map below shows the group’s members:
- Research laboratories (blue crosses)
- Medical treatment facilities (yellow crosses)
- Research portfolio managers (red crosses)
- Other DHA Research and Engineering Centers of Excellence (red crosses)

Download a 508-compliant version of the CAVRN Map.
The CAVRN group is a forum for members to share information about:
- New and ongoing research
- Occupational health initiatives
- Innovations in clinical practice
People at the annual meeting hear about new tools and opportunities in hearing and balance science related to the military. These meetings help us discover new ideas and work together on research. This work aims to make life better for service members and veterans.
Contact us for more information about CAVRN.
CAVRN Defense Technical Center report
Proceedings and Outcomes of the 2024 Annual Meeting of the Collaborative Auditory and Vestibular Research Network: Preserving Auditory Performance in Military Operational Environments.
This report summarizes work by the Collaborative Auditory and Vestibular Research Network over the last 10 years. It includes information that will help members plan for future meetings. The CAVRN 2024 meeting summary includes:
- Presentations and outcomes
- Findings from the CAVRN 2024 post-meeting attendees survey
- Defense Health Agency Continuing Education Program Office course evaluation
This information is for government employees, CAVRN network members, researchers, and audiologists to help preserve service member hearing in operational environments. The report is available to those with CAC/PIV/ECA access using the DTIC link and title of the report: https://discover.dtic.mil/.
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Last Updated: May 08, 2025