This laboratory survey course overviews the following electrophysiological “subtle energy” related devices. The AMI, Apparatus for Meridian Identification, invented by Dr. Hiroshi Motoyama the founder of CIHS; The GDV/EPI, Gas Discharge Visualization/Electro Photonic Imaging, Bio-Well and Sputnik which are devices invented by Konstantine Korotkoff; The EIS, Electrode Interstitial Scanner, device invented by Albert Maarek; and a conventional Biofeedback system. The devices will be demonstrated and studied as to how they operate electronically and physiologically. Students will complete an independent laboratory study and writeup.