Mismatch Negativity and P50 Sensory Gating in Abstinent Former Cannabis Users

Figure 3

ERP waveforms to the first (S1; (a)) and second (S2; (b)) click at Cz for ex-cannabis users (grey) and nonuser controls (black). Amplitude is shown in μV on the -axis and time in milliseconds along the -axis.

(a)

(b)