Final answer:
Biofeedback is a technique that uses electronic equipment to measure a person's neuromuscular autonomic activity and provide feedback. It can be useful for treating tension headaches, high blood pressure, asthma, and phobias.
Step-by-step explanation:
Biofeedback is a technique that uses electronic equipment to measure a person's neuromuscular autonomic activity and provide feedback in the form of visual or auditory signals. The main goal of biofeedback is to help individuals gain voluntary control over normally involuntary bodily processes. It has been used successfully for individuals experiencing tension headaches, high blood pressure, asthma, and phobias.