Researchers know that continual exposure to a certain food will decrease a person’s desire to consume that food; what they didn’t know was whether imagining eating would have the same effect. Carey Morewedge, an experimental psychologist at Carnegie Mellon University and colleagues Young Eun Huh and Joachim Vosgerau decided to test the effects of visualization on 51 undergraduate students by asking them to imagine eating M&Ms and cheese cubes.