A talk with Dr. Christopher Moyer, PhD, about measuring skin conductance, also called electrodermal activity (EDA) and galvanic skin response (GSR): what it is, what it's thought to measure, and how it's been used in psychology research, including his own research. Dr. Moyer is a counseling psychologist who has published research on the anxiety-reducing effects of massage therapy and the neurological effects of meditation. Topics: electrodermal activity, galvanic skin response (GSR), psychological research, massage therapy, meditation, lie detectors.