If a Person Is in Pain and the Pain Ends

Multiple Choice

If a person is in pain and the pain ends, the person will feel a pleasant sense of relief. If a person feels pleasure, as in the case of drug use, and the pleasure ends, it will be followed by craving or discomfort. The theory that best explains these two experiences is the

A) activation-synthesis hypothesis.
B) opponent-process theory.
C) Cannon-Bard theory.
D) differential attitude hypothesis.