We all use baby talk when we babble with bundles of joy, but does how we talk to infants vary across cultures? The answer seems to be yes and no. "Some cultures talk more or less to babies, some not ...

In English, we adults like to say babies go "goo goo ga ga." In French, it's "areau areau." And in Mandarin, it's "ya ya." So do babies really babble with different sounds in different parts of the ...

"Adjusting our speech to sound smaller when we use baby talk may be a way to convey affect to the baby, by trying to sound like them," she said. "At the same time, it can also help them in terms of ...