audioanalgesia /ô·dē·ō·an′əljē″sē·a/ [L, audire, to hear; Gk, a, algos, not pain] , the use of music to enhance relaxation and to distract a patient’s mind from pain, anxiety, or discomfort, as during dentistry, during labor and childbirth, or during procedures with sedation or regional anesthetic techniques. When used with anesthetics, it is termed a co-sedation technique.