The Indigo Biofeedback System was created through years of research in the fields of bioenergetics, and utilizes similar scientific theories and technological knowledge as devices like the ultrasound, MRI, Cat SCAN, EEG, EKG, EMG, GSR, TVEP all of which measure the body electric in order to provide information to the client about the state of their health. The Indigo Biofeedback System, however is gentler and less invasive to the body.
