This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
A 40-year-old woman who is a known case of anxiety disorder and has prominent symptoms of frontal headache is being treated with a procedure in which the tension in the frontalis muscle is measured regularly. The readings are projected on to a computer screen, which patient can see. She is then taught to use mental techniques to decrease tension in this muscle. Which of the following treatment techniques does this example illustrate? 
Select and explain. 
A. Implosion, B. Biofeedback, C. Aversive conditioning, D. Flooding
B: Biofeedback
Answer: B: Biofeedback 
Explanation: The treatment technique described here is biofeedback. In this treatment, the patient is being given ongoing physiological information, in this case the muscle tension in the frontalis muscle. With the help of his feedback, she learns to use mental techniques to control the tension and keep her muscles in a relaxed state.