The clinical EEG can be seen as 1 of several screening techniques used to uncover previously unrecognized covert physical diseases that may produce serious psychiatric disturbances that introduce suicide risk. EEGs may also be used in studies of the prevalence of suicidal behaviors in patients with known seizure disorders, in studies of relationships between cerebral dysrhythmia & suicide in those without overt convulsive phenomena, & in studies of episodic dyscontrol syndromes.