Cited by 20Neuroscience and Neural EngineeringAnalog and Mixed-Signal Circuit DesignVestibular and auditory disorders

A Vestibular Prosthesis With Highly-Isolated Parallel Multichannel Stimulation

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Jiang, Dai, Cirmirakis, Dominik, Demosthenous, Andreas·2015·IEEE Transactions on Biomedical Circuits and Systems

Abstract

This paper presents an implantable vestibular stimulation system capable of providing high flexibility independent parallel stimulation to the semicircular canals in the inner ear for restoring three-dimensional sensation of head movements. To minimize channel interaction during parallel stimulation, the system is implemented with a power isolation method for crosstalk reduction. Experimental results demonstrate that, with this method, electrodes for different stimulation channels located in close proximity ( mm) can deliver current pulses simultaneously with minimum inter-channel crosstalk. The design features a memory-based scheme that manages stimulation to the three canals in parallel. A vestibular evoked potential (VEP) recording unit is included for closed-loop adaptive stimulation control. The main components of the prototype vestibular prosthesis are three ASICs, all implemented in a 0.6- μm high-voltage CMOS technology. The measured performance was verified using vestibular electrodes in vitro.

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Crossref · 10.1109/tbcas.2014.2323310

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  • Proximity of interface sites on tissue can result in crosstalk between channels due to current spread, which can compromise efficacy of the neural interface solution, requiring electrical or physical isolation between interface channels.

    “However, the proximity of interface sites on the tissue can result in crosstalk between channels due to current spread. This can compromise the efficacy of the neural interface solution [77], requiring electrical [78] or physical isolation between the interface channel [71].”
  • A power isolation method was introduced, enabling parallel, multichannel stimulation with minimum crosstalk.

    “To address this issue, a power isolation method was introduced, enabling parallel, multichannel stimulation with minimum crosstalk [77].”

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Research works printed but not linked: 1

  1. T. A. Perkins, N. Donaldson, A. Demosthenous, and D. Jiang, "A switched capacitor crosstalk reduction method for vestibular nerve stimulators," in Proc. Int. Workshop Functional Electrical Stimulation, Vienna, Austria, Sep. 8-12, 2010, pp. 74-76.

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Authors
Jiang, D., Cirmirakis, D., & Demosthenous, A.
Affiliations
University College London (GB)
Venue
IEEE Transactions on Biomedical Circuits and Systems
Published
2015-02
Volume
9
Issue
1
Pages
124-137
ISSN
  • 1932-4545 (ISSN-L)
  • 1940-9990
OpenAlex
W1973835345
Cited by
20
References
39
Citations by year
2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 3 · 2018: 1 · 2017: 1 · 2016: 5 · 2015: 2 · 2014: 1
FWCI
1.37
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Biomedical Circuits and Systems (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • European Commission (FP7-ICT-225929)
  • CLONS project
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Engineering › Biomedical Engineering › Analog and Mixed-Signal Circuit Design
  • Life Sciences › Neuroscience › Neurology › Vestibular and auditory disorders
Keywords
vestibular prosthesis, semicircular canals, crosstalk reduction, power isolation, channel interaction, ASIC
MeSH terms
Electrodes, Implanted, Electric Stimulation Therapy, Humans, Prosthesis Design, Semicircular Canals, Vestibular Evoked Myogenic Potentials

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