Frustrating, little-known disorder in spotlight after Bruce Willis' aphasia diagnosis

Living with aphasia has been compared to living in a country where you don't speak the language. Gestures, sign language or other forms of communication may not be much help. And the people who want to help you struggle to understand. "You know what things are. You are the person you were -- but others don't know that," said Lyn Turkstra, a professor of speech-language pathology and neuroscience at McMaster University in Canada.