How is it that a patch of flickering light on a wall can produce experiences that engage our imaginations and can feel totally real? From the vertigo of a skydive to the emotional charge of an unexpected victory or defeat, movies give us some of our most vivid experiences and most lasting memories. They reshape our emotions and worldviews—but why? In Jeff Zacks delves into the history of cinema and the latest research to explain what happens between your ears when you sit down in the theatre and the lights go out. Some of the questions answers: Why do we flinch when Rocky takes a punch in Sylvester Stallone's movies, duck when the jet careens towards the tower in , and tap our toes to the dance numbers in or ? Why do so many of us cry at the movies? What's the difference between remembering what happened in a movie and what happened in real life—and can we always tell the difference? To answer these questions and more, gives us an engaging, fast-paced look at what happens in your head when you watch a movie.