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. Author manuscript; available in PMC: 2008 Oct 15.
Published in final edited form as: Biochem Pharmacol. 2007 Jul 17;74(8):1192–1201. doi: 10.1016/j.bcp.2007.07.015

Figure 1.

Figure 1

P50 auditory evoked potentials from a control and schizophrenia patient. The arrows indicate the onset of the stimuli. The tick marks delineate the peak and trough of the P50 evoked response wave. In the normal subject, the test amplitude is 12% of the conditioning amplitude demonstrating the suppression of response to the second of paired identical tones. The schizophrenic patient shows a test amplitude of 84% of the responses of the conditioning amplitude. (Adapted from Adler et al 1990.)