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Electrical stimulation of regenerative peripheral nerve interfaces (RPNIs) induces referred sensations in people with upper limb loss

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posted on 2023-08-15, 14:08 authored by Michael Gonzalez, Chinwendu Nwokeabia, Alex K. Vaskov, Philip Vu, Charles Lu, Parag G. Patil, Paul S. Cederna, Cynthia A. Chestek, Deanna GatesDeanna Gates

In four participants with upper limb loss, we characterized the quality and location of sensation elicited through electrical stimulation of regenerative peripheral nerve interfaces (RPNIs) over time (up to 54 months post implantation of wires). We also measured sensory perception and discomfort thresholds, sensitivity to changes in stimulation amplitude, and ability to differentiate objects of different stiffness and sizes.


Regenerative Peripheral Nerve Interface for Restoring Individual Finger Movement in People with Upper Limb Amputations

National Institute of Neurological Disorders and Stroke

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University of Michigan

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  • United States of America

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