Three One-Way Analyses of Variance were performed with WST, WFT and OAT indices as the dependent variables and with diagnosis and sex the independent ones. Sheffe's procedure was performed in the post-hoc comparison between means. Diagnosis significantly affects test performance. The post-hoc comparison between means also revealed that schizophrenic patients showed significantly worse performance on the WFT compared to controls. Neither the effect of sex nor the interaction diagnosis by sex was found to be significant.
Diagnosis shows a significant effect.
Neither the effect of sex nor the interaction between diagnosis and sex was found to be significant. To the best of our knowledge, this is the first attempt to make a neuropsychological evaluation profile of frontal lobe functioning in both OCD and schizophrenic patients. The OCD patients were significantly impaired on OAT-PE compared to schizophrenic patients and controls. Nevertheless, two different aspects of perseveration are shown by OAT and WCST tests. In the OAT, the subject is required to establish the set of alternate responses from one object to another immediately but is not required to change this strategy afterwards.