A number of studies indicate that glutamatergic N-methyl-D-aspartate (NMDA) neurotransmission is disturbed in schizophrenia partly based on the findings that NMDA receptor antagonists such as phencyclidine (PCP) can reproduce a schizophrenia-like syndrome in both humans and rodents. This study investigated whether repeated administration of low doses of PCP can induce cognitive dysfunctions in...