Sensors Are Taped to Patients' Hands and Foreheads with the Patients

Multiple Choice

Sensors are taped to patients' hands and foreheads with the patients learning to redirect blood flow away from the head to their extremities in a biofeedback technique that has been shown to

A) alleviate insomnia.
B) reduce the frequency of migraine headaches.
C) reduce hyperactivity in children.
D) lower blood pressure and control one's heart rhythm.