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Technical Support of Intracranial Single Unit Activity Measurement

By Richard Grünes and Karel Roubik

Abstract

Abstract—The article deals with technical support of intracranial single unit activity measurement. The parameters of the whole measuring set were tested in order to assure the optimal conditions of extracellular single-unit recording. Metal microelectrodes for measuring the single-unit were tested during animal experiments. From signals recorded during these experiments, requirements for the measuring set parameters were defined. The impedance parameters of the metal microelectrodes were measured. The frequency-gain and autonomous noise properties of preamplifier and amplifier were verified. The measurement and the description of the extracellular single unit activity could help in prognoses of brain tissue damage recovery. Keywords—Measuring set; metal microelectrodes; single-unit; noise; impedance parameters; gain characteristics. I

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.5362
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