A Low-Noise, Modular, and Versatile Analog Front-End Intended for Processing In Vitro Neuronal Signals Detected by Microelectrode Arrays

Figure 7

Example of superimposed spike waveforms extracted by the same microelectrode coupled to a culture recorded with the custom board (gray) and with the commercial system (black). Temporal average of waveforms is in red.

(a)

(b)