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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
Published on: January 9, 2019
14.3K
Clinical and scientific innovations in auditory brainstem implants.
Kunal R Shetty1,2, Sarah E Ridge2, Vivek Kanumuri2
1Department of Otorhinolaryngology Head and Neck Surgery, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, TX, USA.
Summary
The auditory brainstem implant (ABI) offers new hope for hearing rehabilitation beyond neurofibromatosis type 2. Future innovations in optogenetics and bioengineering promise improved performance and reduced side effects.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Otolaryngology
Background:
- Auditory brainstem implants (ABI) were initially for neurofibromatosis type 2 (NF2).
- Current research expands ABI use to non-NF2 conditions like cochlear nerve aplasia, ossification, and intractable tinnitus.
- Advancements focus on improving the ABI-neural interface to enhance efficacy and minimize adverse effects.
Purpose of the Study:
- To review clinical, basic science, and bioengineering progress in auditory brainstem implants.
- To explore future directions and technological evolution of ABIs.
Main Methods:
- Review of recent clinical outcomes in NF2 and non-NF2 patient cohorts.
- Analysis of emerging technologies in optogenetics and bioengineering for ABI development.
- Discussion of potential improvements in neural tissue interface and spatial selectivity.
Main Results:
- ABI applications are expanding beyond NF2 to include other hearing loss etiologies.
- New technologies aim to enhance spatial selectivity and reduce non-target neural activation.
- Improved surgical planning and audiological outcomes are anticipated with technological advancements.
Conclusions:
- Auditory brainstem implant technology is rapidly evolving with significant 21st-century research.
- Optogenetics and bioengineering innovations hold promise for future ABI performance and patient benefits.
- Continued research is essential for advancing ABI capabilities and patient audiological rehabilitation.

