Final answer:
Aversion therapy, which uses aversive imagery to create a negative response to an undesired behavior and reduce its occurrence, is a technique in behavioral therapy.
Step-by-step explanation:
The technique that uses aversive imagery to reduce the occurrence of an undesired behavior is known as aversion therapy or aversive conditioning. This type of behavioral therapy involves associating an unwanted behavior with an unpleasant stimulus, with the goal of creating a negative response to the behavior. For example, a therapist might use aversive images or thoughts related to smoking to discourage a person from continuing to smoke. The unpleasant feelings elicited by the imagery are intended to decrease the likelihood of the smoking behavior occurring in the future. The concept is similar to negative reinforcement, where an undesirable stimulus is removed to increase a positive behavior, but in the case of aversive imagery, the focus is on decreasing a negative behavior.