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ThinkMind // GLOBAL HEALTH 2018, The Seventh International Conference on Global Health Challenges // View article global_health_2018_1_30_70053


Implantation of Elongated Silicon Neural Probe Array in Rat Cortex

Authors:
Mohamad Hajj-Hassan
Rayan Fayad
Soumaya Berro
Houssein Hajj-Hassan
Sam Musallam
Vamsy P. Chodavarapu
Hassan M. Khachfe

Keywords: Cognitive neural prosthetics; Brain machine interfaces; Porous silicon; Microprobes

Abstract:
Neural microprobes represent an important component of neural prosthetic systems where implanted microprobes record the electro-potentials generated by specific thoughts in the brain and convey the signals to algorithms trained to interpret these thoughts. Here, we present novel elongated multi-site neural probe that can reach depths greater than 10mm. We hypothesize that reaching such depth allows the recording of cognitive signals required to drive cognitive prosthetics. The impedance of the recording sites on the probes was on the order of 500 kΩ at 1 kHz, which is consistent with probes used for neurophysiological recordings. We implanted the elongated probe in rats and show that the elongated probes are capable of recording spikes from various recording sites.

Pages: 14 to 17

Copyright: Copyright (c) IARIA, 2018

Publication date: November 18, 2018

Published in: conference

ISSN: 2308-4553

ISBN: 978-1-61208-682-8

Location: Athens, Greece

Dates: from November 18, 2018 to November 22, 2018

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