4:05 Francisco Romo-Nava, MD, Ph.D., a University of Cincinnati researcher, is continuing to enroll participants ages 18-55 who aren't currently on medication. He wants to determine whether they'll respond to electrical stimulation as a way to treat depression and other psychological illnesses. "If we can fix that disturbance, we may be able to improve both the mental and physical health of patients," he says. Romo-Nava believes the interaction between the brain and the body is a self-regulating feedback circuit that is often disturbed in psychiatric disorders. UC says it is the first to study depression using electrical stimulation. Researchers attach electrodes to the back and shoulder and deliver stimulation for 20 minutes each, three times a week for eight weeks. Romo-Nava says participants will barely feel it and it won't hurt them.