Scientific American Can you tell someone’s emotional state from an MRI? Not everyone agrees, however, that studying emotions this way—as averages of many people’s brains while they undergo a stimulus—makes sense. Psychology professor Lisa Feldman Barrett of Northeastern University and author of How Emotions Are Made (Houghton Mifflin Harcourt, 2017), who was not involved in either study, says that so far no one has clearly demonstrated […]