|Dr. Grey Walter has cited a case of a man who, whenever he went to the cinema, had to fight off a strong impulse to strangle the person sitting next to him. On one occasion, he “came to” with his hands around his neighbor’s throat. It was discovered that these seizures – epileptic in nature – were caused by the rate of flicker of the film.
Culled from: Crimes and Punishment: The Illustrated Crime Encyclopedia, Vol. 1