Hearing Health Newsletter: January 2026

Illustration: A cross section of the cochlear duct with emphasis on the sensory epithelium. Credit: Swiderski, Wilson, Raphael/Annual Review of Genetics

In a detailed overview in the Annual Review of Genetics, Yehoash Raphael, Ph.D., and coauthors show that hair cell regeneration is ready for advanced gene analysis. A member of Hearing Health Foundation’s Hearing Restoration Project, Raphael describes the next steps: using powerful modern sequencing technology in order to map gene activity and gene regulation during hair cell regeneration in fish and birds as well as in mammalian balance organs.

Illustration: A cross section of the cochlear duct with emphasis on the sensory epithelium. Credit: Swiderski, Wilson, Raphael/Annual Review of Genetics

  • In a paper in JAMA Otolaryngology–Head & Neck Surgery, Hearing Health Foundation (HHF) board member Nancy M. Young, M.D., and team show that an AI model can predict how well young deaf children will develop speech after cochlear implantation with about 92 percent accuracy by analyzing brain MRI scans taken before surgery. The tool outperforms traditional methods and could help target patients needing intensive speech and language therapy.

  • Former Emerging Research Grant (ERG) scientists Ross Maddox, Ph.D., and Melissa Polonenko, Ph.D., and team published a study in PLOS Biology showing that our ability to tune in to one voice in a noisy room comes from the brain’s cortex, not from lower auditory pathways like the brainstem or auditory nerve. HHF is grateful to our longtime partner Royal Arch Research Assistance, who generously funded both Maddox in 2013 and Polonenko in 2023–2024.

  • A study on how California ground squirrels’ hearing adapts to low or high elevation draws from 1980s research conducted by past Emerging Research Grants scientist Kenneth R. Henry, Ph.D., a professor emeritus at the University of California, Davis. 

Plus: 


The Winter 2026 Issue of Hearing Health Magazine Is Online

Click here to read the issue, or if you’ve signed up for a free print subscription, it will arrive in mailboxes by the end of the month.

The cover story by two high school musicians seeking to raise awareness of safe hearing habits is also available here.


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