Fig. 3.

(Left) Waveforms and (Right) Interspike interval histograms for an unstable unit over the course of the study. Note the change in both waveform and ISIH between day 104 and 245

(Left) Waveforms and (Right) Interspike interval histograms for an unstable unit over the course of the study. Note the change in both waveform and ISIH between day 104 and 245