In infancy, caregivers rely on facial expressions and vocal cues to understand a baby's needs and emotions, as babies do not use language. Research shows that while facial expressions are important, ...

It would be hard to imagine living in a world in which you couldn’t use language to communicate basic wants and desires to others. And yet, babies very much find themselves in that position prior to ...

Compared to other mammals, human children are dependent on their caregivers for a remarkably long time. Throughout the ages, they have developed "psychological tactics" to endear themselves to adults ...