
Conventional neural prostheses use brief charge-balanced pulses to minimize the risk of electrode polarization and irreversible electrochemistry at the electrode-electrolyte interface, constraining the waveforms that can be delivered long-term....
✦ The floor
Discussion
Signed responses from readers of the wire.
Preliminary animal evidence only — no actionable change for clinical vestibular or implant practice at this stage.
Continuous ionic direct current stimulation is a candidate therapy for vestibular disorders, and confirming peripheral safety over two weeks is a foundational step toward clinical translation.
- 01Two weeks of continuous ionic direct current stimulation did not impair vestibular peripheral function.
- 02Electrode safety profile was comparable to conventional charge-balanced neural prostheses.
- 03Study published in Journal of Neural Engineering, a peer-reviewed engineering/neuroscience journal.
- 04Findings support further investigation of ionic DC stimulation as a vestibular prosthetic approach.
- 05Long-term safety and human translation remain to be established.
Vestibular peripheral function remains intact after two weeks of continuous ionic direct current stimulation.
studypartially supportedElectrode safety with ionic DC stimulation is comparable to conventional charge-balanced neural prostheses.
studypartially supported- PMID
- 42155479
- DOI
- 10.1088/1741-2552/ae6ff3.
- Journal
- Journal of Neural Engineering
- Publication type
- research_article
- Evidence level
- 4
- Population
- Animal model subjects with vestibular system evaluated for peripheral function
- Intervention
- Two weeks of continuous ionic direct current stimulation of the vestibular periphery
- Comparator
- Conventional charge-balanced neural prostheses (electrode safety comparison)
Primary outcomes
Vestibular peripheral function after two weeks of stimulation; Electrode safety relative to charge-balanced neural prostheses