'I don't have a voice in my head': Life with no inner monologue

"Wait, what? Some people hear a voice in their head?" she thought at the time. She was stunned to discover that this was not just a figure of speech -- her friends were actually chatting to themselves in their minds. May, a 30-year-old Australian video producer who lives in New York, remembers trying to explain to her family: "I don't have a voice in my head." "My dad was like, 'You are lying'," she told AFP. But her father came around once May started working with psychologists who agreed --...