The Word Explosion in Infants

Babies first bridge the gap between sounds and meaning as early as nine or ten months of age. They learn the names of family members and pets, the meaning of no! and perhaps a few general labels like shoe and cookie. By his first birthday, the average child understands around seventy words, mostly nouns like people's names and terms for objects, but also certain social expressions, like hi and bye-bye. Of course, he cannot say nearly that many. The median number of words spoken by a one-year-...

 John Locke VS Babies

Another great English philosopher, John Locke, posed another classical epistemological problem. What would happen if you miraculously restored the sight of someone who had been blind from birth? Would that person recognize all the objects he had known so intimately through touch, or would he have to painstakingly learn that the smooth, hard, curved surface looked like a porcelain teacup, or that the familiar, soft, yielding swells and silky hairs translated into a visual wife? Locke thought t...