Study: Babies try lip-reading in learning to talk

New research suggests babies don't learn to talk just from hearing sounds — they're lip-readers, too. It happens during that magical stage when a baby's babbling gradually changes from gibberish into syllables and eventually into that first "mama" or "dada."Florida scientists discovered that starting around age 6 months, babies begin shifting from the intent eye gaze of early infancy to studying mouths when people talk to them. Once they master the lip movements, they apparently shift back to look you in the eye again.