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. 2015 Apr 21;2015:172396. doi: 10.1155/2015/172396

Figure 12.

Figure 12

Continuous 5-hour signals collected from two different channels of the MEA recording reported in Figure 11. (a) Raw voltage signal collected by a spiking channel (i.e., extracellular spikes superimposed to biological, electrode, and electronics noise). (b) Raw voltage signal collected by a silent channel (i.e., biological, electrode, and electronics noise).