The auditory nerve implant-concept and device description of a novel electrical auditory prosthesis.
Level 5 - mechanism / opinion, no new human data
Narrative review and conceptual device description based on preclinical animal models without human data.
PubMed 41131644 · doi:10.1186/s42234-025-00188-3
What was done
The authors review the concept, device architecture, and preclinical development of the auditory nerve implant (ANI), a neuroprosthesis designed to insert microelectrode arrays directly into the auditory nerve rather than inside the cochlea.
What was found
The abstract reports no numerical data. Qualitatively, it notes that preclinical animal studies demonstrate the ANI achieves lower activation thresholds and more selective neural activation than conventional cochlear implants.
Why it matters
Direct intraneural microelectrode stimulation could potentially overcome the spatial and spectral resolution limits of standard cochlear implants, improving speech perception in noise and music appreciation if successfully translated to clinical practice.
Limits
The abstract describes a conceptual and preclinical framework with no human data, no quantitative metrics, and no comparative human trial results. Critical translational hurdles remain, including chronic safety validation, surgical approach refinement, and long-term biocompatibility testing in humans.
Cited by
- supports There are more individuals with cochlear implants than with all other neural prostheses combined.