Apparently, when his son was born, Darwin instructed his family not to speakto the baby, who proceeded to babble in «baby talk,» leading Darwin to speculate onthe innate nature of oral language. (edutopia.org)
Pet owners constantly say all kinds of things to their dogs; from commands, to baby talk, to full on monologues. (houstonpettalk.com)
Babies are especially drawn to higher-pitched voices, so give into that urge to use «baby talk.» (kidshealth.org)