The promises of brain scanning are thrilling. From lie detection, to knowing our unconscious preferences, to communicating with 'locked-in' patients who are conscious but completely paralyzed, headlines proclaim we are ever closer to reading our innermost thoughts with an MRI. Mental phenomena, emotions, beliefs, perceptions, are truly represented as information in brain circuitry. But what is the science behind the hype? What do our 'thoughts' actually look like to an MRI? Join four world-class neuroscientists as we introduce the technology and vigorously debate its achievements and current limits.