Real-time Multi-Channel System for Neural Spikes Acquisition and Detection.
New Circuits and Systems Conference（2012）
摘要
A real-time multi-channel system for neural spikes acquisition and detection is presented in this paper. It incorporates self-designed micro-machined silicon recording probes, specific multi-channel biomedical amplifiers, analog-to-digital converters and a digital signal processor. The system can inspect 32 channels of neural signals, detect the spikes simultaneously, and display 1 channel of the original signals and 32 channels of detection results on the PC screen. The function of the system is verified in a saline environment and the accuracy of the spike detection is 95%. Such system can be used as a head stage for free-moving and long-term recording, and even closed-loop recording and stimulating applications.
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关键词
amplifiers,analogue-digital conversion,biomedical electrodes,brain,brain-computer interfaces,closed loop systems,data acquisition,elemental semiconductors,medical signal detection,medical signal processing,microelectrodes,micromachining,neurophysiology,real-time systems,silicon,silicon-on-insulator,PC screen,Si,analog-to-digital converters,brain machine interfaces,closed-loop recording,digital signal processor,free-moving recording,long-term recording,microelectrodes,multichannel biomedical amplifiers,neural signals,neural spike acquisition,neural spike detection,real-time multichannel system,self-designed micromachined silicon recording probes
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