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Mean percent PPI as a function of Prepulse-Pulse interval (40, 60, or 80 ms) for the control participants (left section), for the schizophrenia patients tested 3–7 days after admission (middle section), and for the chronic patients tested 3 months after discharge (right section). Error bars represent standard error of the means. ∗P < 0.05 (see text for statistical details).
