Answer:
Biofeedback
Explanation:
Biofeedback can be defined as a process or technique which can be used in learning how to control some of the body functions by either using visual or auditory feedback.
Example is gaining voluntary control over heart rate, blood flow, and blood pressure.
During biofeedback, a person is been connected to electrical sensors which in turn help the person to receive information about his/her body and how to regulate their physiologic response and control pain through relaxation or through imagery.
This technique for pain control is known as:
BIOFEEDBACK