lities associated with cognitive deficits in patients with schizophrenia. European Psychiatry, 23, 541-548. ►Ziouddeen, H., Dibben, C., Kirin, C., Hodges• J.R. & McKenna, P.). (2011). Negative schizophrenic symptoms and the frontal lobe syndrome: One and the same? European Archives of Psy- chiatry and Clinical Neuro