Cited by 118Neuroscience and Neural EngineeringAnalog and Mixed-Signal Circuit DesignEEG and Brain-Computer Interfaces

Power-saving design opportunities for wireless intracortical brain–computer interfaces

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Even-Chen, Nir, Muratore, Dante G., Stavisky, Sergey D., Hochberg, Leigh R., Henderson, Jaimie M., Murmann, Boris, Shenoy, Krishna V.·2020·Nature Biomedical Engineering

Abstract

The efficacy of wireless intracortical brain-computer interfaces (iBCIs) is limited in part by the number of recording channels, which is constrained by the power budget of the implantable system. Designing wireless iBCIs that provide the high-quality recordings of today's wired neural interfaces may lead to inadvertent over-design at the expense of power consumption and scalability. Here, we report analyses of neural signals collected from experimental iBCI measurements in rhesus macaques and from a clinical-trial participant with implanted 96-channel Utah multielectrode arrays to understand the trade-offs between signal quality and decoder performance. Moreover, we propose an efficient hardware design for clinically viable iBCIs, and suggest that the circuit design parameters of current recording iBCIs can be relaxed considerably without loss of performance. The proposed design may allow for an order-of-magnitude power savings and lead to clinically viable iBCIs with a higher channel count.

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  • The number of recording channels in iBCIs is limited by the power budget of the implantable system, and designing for lower bit error rate can improve power consumption.

    “For example, the number of recording channels in iBCIs is limited by the power budget of the implantable system, and designing for lower bit error rate (BER) can improve power consumption (Even-Chen et al., 2020).”

    From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Even-Chen et al., 2020

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Cited by

Sorted by citations

Authors
Even-Chen, N., Muratore, D. G., Stavisky, S. D., Hochberg, L. R., Henderson, J. M., Murmann, B., & Shenoy, K. V.
Affiliations
  • Stanford University (US)
  • Stanford Medicine (US)
  • Harvard University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Even-Chen, Nir
Venue
Nature Biomedical Engineering
Published
2020-08-03
Volume
4
Issue
10
Pages
984-996
ISSN
2157-846X (ISSN-L)
OpenAlex
W3047193243
Cited by
118
References
13
Citations by year
2026: 15 · 2025: 16 · 2024: 28 · 2023: 24 · 2022: 14 · 2021: 19 · 2020: 2
FWCI
6.71
Type
journal article
Language
en
Open access
Locations
  • Nature Biomedical Engineering (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • U.S. Department of Veterans Affairs (I01 RX002295, I50RX002864)
  • National Institutes of Health (5uh2ns095548-02)
  • National Institute on Deafness and Other Communication Disorders (R01DC009899, R01DC014034)
  • National Institute of Neurological Disorders and Stroke (UH2-NS095548, U01NS098968)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (DP1HD075623)
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 › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
Keywords
intracortical brain-computer interfaces, wireless neural recording, power consumption, implantable neural interfaces, signal quality, rhesus monkeys
MeSH terms
Animals, Electrodes, Implanted, Equipment Design, Hand, Humans, Macaca mulatta, Male, Middle Aged, Electric Power Supplies, Wireless Technology, Brain-Computer Interfaces

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