W:Ti Flexible Transversal Electrode Array for Peripheral Nerve Stimulation:A Feasibility Study

Silveira, Carolina and Burton, Emma and Escobedo-Cousin, Enrique and Gupta, Gaurav and Whittaker, Roger and O'Neill, Anthony and Nazarpour, Kianoush (2020) W:Ti Flexible Transversal Electrode Array for Peripheral Nerve Stimulation:A Feasibility Study. IEEE Transactions on Neural Systems and Rehabilitation Engineering. ISSN 1558-0210

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Abstract

The development of hardware for neural interfacing remains a technical challenge. We introduce a flexible, transversal intraneural tungsten:titanium electrode array for acute studies. We characterize the electrochemical properties of this new combination of tungsten and titanium using cyclic voltammetry and electrochemical impedance spectroscopy. With an in-vivo rodent study, we show that the stimulation of peripheral nerves with this electrode array is possible and that more than half of the electrode contacts can yield a stimulation selectivity index of 0.75 or higher at low stimulation currents. This feasibility study paves the way for the development of future cost-effective and easy-to-fabricate neural interfacing electrodes for acute settings, which ultimately can inform the development of technologies that enable bi-directional communication with the human nervous system.

Item Type:
Journal Article
Journal or Publication Title:
IEEE Transactions on Neural Systems and Rehabilitation Engineering
ID Code:
146623
Deposited By:
Deposited On:
17 Aug 2020 10:55
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Oct 2020 04:02