Preliminary analysis of positive and negative syndrome scale in ketamine-associated psychosis in comparison with schizophrenia
Journal of Psychiatric Research December 24, 2014 Ke Xu, John H. Krystal, Y. Ning et al. 65 citations
Objective Studies of the effects of the N-methyl-D-aspartate (NMDA) glutamate receptor antagonist, ketamine, have suggested similarities to the symptoms of schizophrenia. Our primary goal was to evaluate the dimensions of the Positive and Negative Syndrome Scale (PANSS) in ketamine users (acute and chronic) compared to schizophrenia patients (early and chronic stages). Method We conducted...