Lisa Feldman Barrett: How Emotions Are Made

Are emotions more than just automatic reactions? The current theory suggests our reactions to what happens around us are hardwired and universal. But Lisa Feldman Barrett rejects this, and says emotions are actually constructed by our brains and our bodies as we develop. Kathryn speaks with Dr Barrett, who contradicts a century of scientific thought in her new book How Emotions are Made: The Secret Life of the Brain.