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Grand average waveforms of P50 at Cz in a control subject (blue) vs. a schizophrenia participant (orange), respectively. Click stimuli were presented at time zero (first click) and at 500 ms (second click). The potential was filtered between 10 and 50 Hz to optimize scoring of the P50 component. The P50 peak was defined as the largest positive deflection identified in the 40 and 75 ms poststimulus interval.
