Cognitive impairment among an Egyptian sample of patients with schizophrenia and bipolar disorders: a comparative study Research Authors Eman M. Khedr; Nashwa E. Ghanima; Khaled A. Elbeh; Gellan k Ahmed; Bastawy El-Fawal Research Department Department of Neurology and Psychiatry Research Journal Middle East Current Psychiatry Research Member Eman Mohamed Hussein Khedr