Playing with my head
JOINT BASE ANDREWS, Md. - Dr. Beth Davis,779 Medical Operations Squadron deployment behavioral health psychiatrist, injects a conductive gel into a specialized piece of equipment at Malcolm Grow Medical Clinic, Nov. 16, 2012. The gel is needed for the sensors to pick up the impulses from the patients brain. (U.S. Air Force photo/Airman 1st Class Aaron Stout)

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