Research over the past 30 years has shown a distinct connection between the mind and body. Therefore, a person's thoughts and feelings are viewed as interacting with their physiological state and vice versa. Modern biofeedback grew out of the behavioral movement of the mid-1950s (Schwartz & Andrasik, 2003). In biofeedback, physiological responses (e.g., heart and respiration rate, skin temperature, muscle tension) are amplified from sensors attached to the body and fed back to the individual through a computer in the form of sounds, visuals, or both. This information can be used by the person to consciously control the measured bodily processes. With increased awareness of physiological responses, the person can learn to control his or her bodily reaction to environmental events. There are various types ...