Resumen de Am I normal?

Xavier Ariño, Catherine de Lange, Catherine Brahic, Caroline Williams, Graham Lawton

• For Socrates, it came as a warning when he was about to make a mistake. For Sigmund Freud, it was a loved one accompanying him when he traveled alone. Hearing voices has a long history. And as those distinguished gents perhaps attest, it isn't always a sign of madness: people's everyday thoughts often sound pretty voice-like. In 2011, Charles Fernyhough and Simon McCarthy-Jones of Durham University in UK found that 60%of people experience "inner speech" with a back-and-forth conversational quality. Here, George et al examine whether voices in one's head are normal.