Cited by 234Neuroscience and Neural EngineeringMuscle activation and electromyography studiesVagus Nerve Stimulation Research

A multielectrode array for intrafascicular recording and stimulation in sciatic nerve of cats

Branner, Almut, Normann, Richard Alan·2000·Brain Research Bulletin

Abstract

The feasibility of implanting an array of penetrating electrodes into peripheral nerves is studied in acute experiments in the cat sciatic nerve. A novel, silicon-based array of microelectrodes, the Utah Electrode Array, was used, which contains 25 or 100 1-mm long electrodes that project out from a silicon substrate. Electrode arrays of this complexity, when inserted in the peripheral nerve, could cause significant compression of the nerve and block the conduction of action potentials. Using a high velocity insertion technique, the electrode array was implanted into the sciatic nerve. Compound action potentials were evoked by and recorded with cuff electrodes. Compound action potentials recorded 1 h after insertion were only slightly altered from those recorded before insertion. Single units were readily extracted from evoked multiunit neural recordings in response to cutaneous stimulation and limb rotation around joints. Current injections into the nerve through the electrodes evoked muscle twitches with currents in the 10 microA range. Recording and stimulation stability were demonstrated for periods of up to 60 h. We have shown that high density arrays of electrodes can be inserted into the peripheral nerve and can provide a stable recording and stimulating interface to individual peripheral nerve axons. Such an array may be useful in future neuroscience research and potential neuroprosthetic applications.

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Crossref · 10.1016/s0361-9230(99)00231-2

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Authors
Branner, A., & Normann, R. A.
Affiliations
University of Utah (US)
Corresponding author
Normann, Richard Alan
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2000-03
Volume
51
Issue
4
Pages
293-306
ISSN
0361-9230 (ISSN-L)
OpenAlex
W1970923678
Cited by
234
References
53
Citations by year
2026: 1 · 2025: 7 · 2024: 7 · 2023: 5 · 2022: 10 · 2021: 9 · 2020: 8 · 2019: 10 · 2018: 13 · 2017: 10 · 2016: 10 · 2015: 18 · 2014: 17 · 2013: 8 · 2012: 15
FWCI
1.03
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Alberta
  • Deutscher Akademischer Austauschdienst
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
Keywords
Utah electrode array, microelectrode arrays, sciatic nerve, peripheral nerve recording, peripheral nerve stimulation, nerve compression, compound action potential, single-unit recording, multi-unit recording, muscle twitch, neuroprosthetics
MeSH terms
Action Potentials, Animals, Cats, Electric Stimulation, Microelectrodes, Muscle Contraction, Sciatic Nerve, Muscle, Skeletal

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