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Microelectrode

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A microelectrode is a very small electrode with a tip between 0.5 and 5 microns which is used in electrophysiological studies, for example in single unit recording. It acts as an electrical conductor transmitting the electrical information in the brain into amplifying and recording equipment for analysis.

David Hubel invented the modern metal microelectrode out of Stoner-Mudge lacquer and tungsten, and the modern hydraulic microdrive, for which he had to learn rudimentary machinists skills to produce.

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