Question

Ever since cornelius was hypnotized, he has been flapping his arms whenever anyone says, "hello." cornelius's arm flapping most likely results from

Answer 1

The answer is a post-hypnotic suggestion. These are instructions given to people while under hypnosis that the person performs on when in a full waking state. This is occasionally used to help people to attain goals like losing weight or stopping an addiction or any other unasked behavior.