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Comparative deficits in visual activation in schizophrenia patients versus cats treated with the NMDA antagonist 2-amino-5-phosphonovaleric acid (APV). (a) ssVEP amplitude (signal-to-noise ratio) in schizophrenic patients in response to magnocellular-biased stimuli. (From Butler et al. 2005.) (b) Effects of APV infusion into cat lateral geniculate nucleus (LGN) in response to stimulation. (From Kwon et al. 1991.)
