Chunk #10 — MEA technology — Electrodes and transducers

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Revealing neuronal function through microelectrode array recordings.

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Generally, an important goal of electrode fabrication is to achieve low impedance. Low electrode impedance results in higher signal-to-noise ratio (SNR), with the usual target SNR of 5:1 or higher. Uniformity of the electrode impedance across an array of electrodes may also be important to obtain consistent data.