Results of the study: Under the integration and separation of the various operational functions and the impact of glitches lobes frontal on the various executive functions performance, the study's results indicated the presence of statistically significant differences between the samples of research for the benefit of ordinary patients (schizophrenia and epilepsy), this is because they are characterized by job planning, abstraction, classification, and keeping inadequate responses compared to patients with schizophrenia and patients with epilepsy . In addition, there are statistically significant differences emerged between the patient sample for the benefit of patients with epilepsy from the schizophrenics in the executive functions of the planning, abstraction, flexibility, and classification, and keeping inadequate responses.