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In this primate model, clozapine was distinguishable from haloperidol by its ability to attenuate PCP-induced deficits in PPI. The results provide further evidence that PPI in nonhuman primates may provide an important animal model for the development of novel anti-schizophrenia medications.

Evidence from recent trials suggest that cognitive behaviour therapy may be beneficial in delaying or preventing onset of psychosis in clinical high-risk individuals, although effect sizes to date appear small. Further research is needed in larger samples to establish whether cognitive behaviour therapy is efficacious, and if additional intervention components can enhance established psychotherapies.

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