Word birth is Deb Roy’s term for the moment a child’s babble sharpens into a recognizable word. To study it, the MIT cognitive scientist and his wife wired their home with 11 cameras and 14 microphones, plus a privacy button, and recorded their...
A Minnesotan has been observing his infant babbling, and wonders if words like “mama” and “papa” arise from sounds that babies naturally make anyway. Are there some words or sounds that are instinctive? Or do babies only...