People love a good story. They love being the hero in their own story even more. Story is one of the most powerful tools that humans use to understand and communicate with the outside world. Part evolutionary feature, part survival mechanism harking back to Paleolithic times, part communication tool-story powers the human brain. Story-based cognitive function is so powerful that neuroscientists have a term for it when it doesn't work: dysnarrativia, the inability to understand or construct stories.