When Brad Pitt tells Eric Bana in the 2004 film Troy that “there are no pacts between lions and men,” he is not reciting a clever line from the pen of a Hollywood screenwriter. He is speaking Achilles’ words in English as Homer wrote them in Greek more than 2,000 years ago in the Iliad. The tale of the Trojan War has captivated generations of audiences while evolving from its origins as an oral epic to written versions and, finally, to several film adaptations. The power of this story to transcend time, language and culture is clear even today, evidenced by Troy’s robust success around the world.
Popular tales do far more than entertain, however. Psychologists and neuroscientists have recently become fascinated by the human predilection for storytelling. Why does our brain seem to be wired to enjoy stories? And how do the emotional and cognitive effects of a narrative influence our beliefs and real-world decisions?