William Castle, a b-movie maker…

William Castle, a b-movie maker, allowed audiences refunds if a movie was too scary. Many abused it, angering Castle. The abuse stopped when he made refund seekers go to a “Coward’s Corner” in the theater as a record screamed “Watch the chicken!” and a yellow light followed across the theater. In addition, Castle made them sign a Coward’s Certificate to get the money.

Following the 1973 release of The Exorcist…

Following the 1973 release of The Exorcist, six people who saw it had to be admitted to a Chicago hospital “straight from the theater.” Psychiatrist James Bozzuto examined four of them and concluded they were suffering from “cinematic neurosis” — a term he coined. Basically, this was neurosis caused by watching a movie. Symptoms of this condition included “anxiety, helplessness, sleeplessness and repetitive post-traumatic dreams.”