Similarly, Drew Westen, professor of psychology psychiatry and behavioral sciences at Emory University, drawing on current psychiatric and psychological research to demonstrate the power of emotions in affecting political cognition and preferences, wrote that, "when reason and emotion collide, emotion invariably wins." Westen, an advisor to Democratic political campaigns, believes that evolution has equipped people to process information via emotions and that people respond to emotional cues more than to rational arguments. Accordingly, Westen believes that emotion lies at the center of effective persuasion and that appeals to emotion will always beat appeals to reason: