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Sensors 2017, 17(4), 761;

Implications for a Wireless, External Device System to Study Electrocorticography

Institute for Theoretical Physics, University of Bremen, 28359 Bremen, Germany
Institute of Electrodynamics and Microelectronics, University of Bremen, 28359 Bremen, Germany
RF and Microwave Engineering Laboratory, University of Bremen, 28359 Bremen, Germany
Institute for Microsensors, -Actuators and -Systems, University of Bremen, 28359 Bremen, Germany
Institute for Brain Research, University of Bremen, 28359 Bremen, Germany
Author to whom correspondence should be addressed.
Academic Editor: Patricia A. Broderick
Received: 13 February 2017 / Revised: 23 March 2017 / Accepted: 27 March 2017 / Published: 4 April 2017
(This article belongs to the Section Biosensors)
Full-Text   |   PDF [3011 KB, uploaded 4 April 2017]   |  


Implantable neuronal interfaces to the brain are an important keystone for future medical applications. However, entering this field of research is difficult since such an implant requires components from many different areas of technology. Since the complete avoidance of wires is important due to the risk of infections and other long-term problems, means for wirelessly transmitting data and energy are a necessity which adds to the requirements. In recent literature, many high-tech components for such implants are presented with remarkable properties. However, these components are typically not freely available for such a system. Every group needs to re-develop their own solution. This raises the question if it is possible to create a reusable design for an implant and its external base-station, such that it allows other groups to use it as a starting point. In this article, we try to answer this question by presenting a design based exclusively on commercial off-the-shelf components and studying the properties of the resulting system. Following this idea, we present a fully wireless neuronal implant for simultaneously measuring electrocorticography signals at 128 locations from the surface of the brain. All design files are available as open source. View Full-Text
Keywords: neuro-implant; ECoG; wireless implant; open hardware; neuro-prosthetic neuro-implant; ECoG; wireless implant; open hardware; neuro-prosthetic

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Rotermund, D.; Pistor, J.; Hoeffmann, J.; Schellenberg, T.; Boll, D.; Tolstosheeva, E.; Gauck, D.; Stemmann, H.; Peters-Drolshagen, D.; Kreiter, A.K.; Schneider, M.; Paul, S.; Lang, W.; Pawelzik, K.R. Implications for a Wireless, External Device System to Study Electrocorticography. Sensors 2017, 17, 761.

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