Cited by 69Neuroscience and Neural EngineeringMuscle activation and electromyography studiesVagus Nerve Stimulation Research

Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses

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Ledbetter, Noah M., Ethier, Christian, Oby, Emily R., Hiatt, Scott D., Wilder, Andrew M., Ko, Jason H., Agnew, Sonya P., Miller, Lee E. +1 more·2013·Journal of Neurophysiology

Abstract

High-count microelectrode arrays implanted in peripheral nerves could restore motor function after spinal cord injury or sensory function after limb loss. In this study, we implanted Utah Slanted Electrode Arrays (USEAs) intrafascicularly at the elbow or shoulder in arm nerves of rhesus monkeys (n = 4) under isoflurane anesthesia. Input-output curves indicated that pulse-width-modulated single-electrode stimulation in each arm nerve could recruit single muscles with little or no recruitment of other muscles. Stimulus trains evoked specific, natural, hand movements, which could be combined via multielectrode stimulation to elicit coordinated power or pinch grasp. Stimulation also elicited short-latency evoked potentials (EPs) in primary somatosensory cortex, which might be used to provide sensory feedback from a prosthetic limb. These results demonstrate a high-resolution, high-channel-count interface to the peripheral nervous system for restoring hand function after neural injury or disruption or for examining nerve structure.

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Crossref · 10.1152/jn.00688.2011

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  • Ledbetter et al. achieved 5 to 10 different muscle contractions in a monkey arm using stimulation via the USEA.

    “Ledbetter et al. achieved 5 to 10 different muscle contractions in a monkey arm using stimulation via the USEA (Ledbetter et al., 2013).”

    From Update on Peripheral Nerve Electrodes for Closed-Loop Neuroprosthetics (2018) · cites this paper as Ledbetter et al., 2013

  • In a study with four monkeys, USEA implantation at elbow and shoulder levels promoted precise muscle activation; extrinsic muscles of the hand were activated selectively, whereas intrinsic muscles grouped for similar functions were often activated together.

    “In a study done with four monkeys, the USEA implantation on elbow level and shoulder level promoted precise muscle activation. In particular, the extrinsic muscles of the hand were activated selectively, whereas the intrinsic muscles grouped for similar functions were often activated together [112].”

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Authors
Ledbetter, N. M., Ethier, C., Oby, E. R., Hiatt, S. D., Wilder, A. M., Ko, J. H., Agnew, S. P., Miller, L. E., & Clark, G. A.
Affiliations
  • University of Utah (US)
  • Department of Physiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;
  • Northwestern University (US)
Corresponding author
Clark, Gregory A.
Venue
Journal of Neurophysiology
Published
2013-01-15
Volume
109
Issue
2
Pages
580-590
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
OpenAlex
W2007905118
Cited by
69
References
46
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 5 · 2022: 3 · 2021: 5 · 2020: 5 · 2019: 7 · 2018: 8 · 2017: 7 · 2016: 6 · 2015: 6 · 2014: 4 · 2013: 3 · 2012: 1
FWCI
1.85
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurophysiology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (01-NS-053603, R01NS053603)
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
peripheral nerve stimulation, rhesus monkeys, hand grasp, muscle recruitment, input-output curves, short-latency evoked potentials, primary somatosensory cortex, sensory feedback, artificial limbs, spinal cord injury, nerve regeneration, neural interfaces
MeSH terms
Animals, Haplorhini, Arm, Electric Stimulation, Evoked Potentials, Somatosensory, Fascia, Peripheral Nerves, Somatosensory Cortex, Muscle, Skeletal, Hand Strength, Evoked Potentials, Motor, Feedback, Sensory

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