Noise Characterization of Electrophysiological Signals Recorded from High Resolution Brain-Chip Interface (original) (raw)

2009

Abstract

Abstract—The evoked potentials recorded using high resolution chips from a brain-chip interface provide very useful information in understanding the brain activity with greater details. In many cases, to maximize the signal detection, high precision electronics devices are employed near the recording site. This causes the recordings to be contaminated with unavoidable electrical or thermal noises. To assess the quality of the recordings in terms of signal-to-noise ratio (SNR), an automated noise characterization system is required. This ...

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