BIOFEEDBACK

[noun] [U] - a method by which a person learns to control their heart rate or other physical or mental processes by using information from recordings of those processesStress-management techniques such as biofeedback, massage therapy and self-hypnosis have been used with some success.By using biofeedback, people can shift the balance of electrically measured brain activity back and forth between hemispheres at will.The biofeedback technique can help to reduce stress.