Repressed emotional conflicts are converted into sensory, motor or visceral symptoms having no underlying organic cause. 1 or more neurologic complaints that can't be explained. Symptoms not initially produced: and may be motor (involuntary movement, tics, blepharospasm, weakness) sensory (paresthesia, +/- anesthesia, tunnel vision, deafness), seizure activity, or mixed (psychogenic vomiting, syncope). Most common are shifting paralysis, blindness, and mutism. Unexpected lack of concern or indifference to the symptoms. Episodic. 20-25% of the population. F>M. Adolescence or young adults. TX: Psychotherapy: Insight-oriented or behavioral. Hypnosis, anxiolytics, relaxation. Lorazepam if traumatic event.