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Multi-electrode array technologies for neuroscience and cardiology

Multi-electrode array technologies for neuroscience and cardiology At present, the prime methodology for studying neuronal circuit-connectivity, physiology and pathology under in vitro or in vivo conditions is by using substrate-integrated microelectrode arrays. Although this methodology permits simultaneous, cell-non-invasive, long-term recordings of extracellular field potentials generated by action potentials, it is 'blind' to subthreshold synaptic potentials generated by single cells. On the other hand, intracellular recordings of the full electrophysiological repertoire (subthreshold synaptic potentials, membrane oscillations and action potentials) are, at present, obtained only by sharp or patch microelectrodes. These, however, are limited to single cells at a time and for short durations. Recently a number of laboratories began to merge the advantages of extracellular microelectrode arrays and intracellular microelectrodes. This Review describes the novel approaches, identifying their strengths and limitations from the point of view of the end users — with the intention to help steer the bioengineering efforts towards the needs of brain-circuit research. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Nanotechnology Springer Journals

Multi-electrode array technologies for neuroscience and cardiology

Nature Nanotechnology , Volume 8 (2) – Feb 5, 2013

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References (99)

Publisher
Springer Journals
Copyright
Copyright © 2013 by Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.
Subject
Materials Science; Materials Science, general; Nanotechnology; Nanotechnology and Microengineering
ISSN
1748-3387
eISSN
1748-3395
DOI
10.1038/nnano.2012.265
Publisher site
See Article on Publisher Site

Abstract

At present, the prime methodology for studying neuronal circuit-connectivity, physiology and pathology under in vitro or in vivo conditions is by using substrate-integrated microelectrode arrays. Although this methodology permits simultaneous, cell-non-invasive, long-term recordings of extracellular field potentials generated by action potentials, it is 'blind' to subthreshold synaptic potentials generated by single cells. On the other hand, intracellular recordings of the full electrophysiological repertoire (subthreshold synaptic potentials, membrane oscillations and action potentials) are, at present, obtained only by sharp or patch microelectrodes. These, however, are limited to single cells at a time and for short durations. Recently a number of laboratories began to merge the advantages of extracellular microelectrode arrays and intracellular microelectrodes. This Review describes the novel approaches, identifying their strengths and limitations from the point of view of the end users — with the intention to help steer the bioengineering efforts towards the needs of brain-circuit research.

Journal

Nature NanotechnologySpringer Journals

Published: Feb 5, 2013

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