The CS is the test, and then the CR will eventually be the calmness. Relaxation training patients are taught systematically to relax. Controlling tension in muscle groups. Anxiety Hierarchy a gradual sequence of the events that bring the person into distress. Exposure to the Anxiety Hierarchy the therapist asks the patient to imagine each scene in the hierarchy and to control the experienced distress through relaxation.
Systematic desensitization is most effective for the treatment of phobias.
Virtual reality system is often a common way to expose patients to hierarchy. To elicit an unpleasureable response to a harmful situation. For example, the UCS could be a drug which always causes the UCR of nausea. By linking a CS of alcohol with the UCS, which will cause the UCR of nausea because of the drug. The goal is for the CS of alcohol begins to always produce the CR of nausea.