psychosis u s pat no 5 229 382 is herein incorporated by reference in its entirety clozapine 8 chloro 11 4 methyl 1 piperazinyl 5h dibenzo b e 1 4 diazepine is described in u s pat no 3 539 573 which is herein incorporated by reference in its entirety clinical efficacy in the treatment of schizophrenia is described hanes et al psychopharmacol bull 24 62 1988 risperidone 3 2 4 6 fluoro 1 2 benzisoxazol 3 yl piperidino ethyl 2 methyl 6 7 8 9 tetrahydro 4h pyrido 1 2 a pyrimidin 4 one and its use in the treatment of psychotic diseases are described in u s pat no 4 804 663 which is herein incorporated by reference in its entirety sertindole 1 2 4 5 chloro 1 4 fluorophenyl 1h indol 3 yl 1 piperidinyl ethyl imidazolidin 2 one is described in u s pat no 4 710 500 its use in the treatment of schizophrenia is described in u s pat nos 5 112 838 and 5 238 945 u s pat nos 4 710 500 5 112 838 and 5 238 945 are herein incorporated by reference in their entirety quetiapine 5 2 4 dibenzo b f 1 4 thiazepin 11 yl 1 piperazinyl ethoxy ethanol and its activity in assays which demonstrate utility in the treatment of schizophrenia are described in u s pat no 4 879 288 which is herein incorporated by reference in.