If you’ve ever played peekaboo with your little one, you’ve helped them work on object permanence. Your baby is learning that people and objects exist even when they can’t see or hear them.

You might have heard about object permanence as a developmental milestone for babies. But what is it, exactly? Object ...

Everything you've wanted to know about object permanence, including how to help your baby develop this skill. kate_sept2004/Getty Images Medically reviewed by Teja Dyamenahalli, MD, MPH ...

That’s according to Swiss psychologist Jean Piaget’s theories about “object permanence,” or the ability to know an object still exists even when it’s hidden. Watching his 13-month-old ...

One classic issue studied by Piaget is object permanence. That is, do children realize that an object that disappears behind some obstruction still exists? This question is not trivial.

A new parent might cherry-pick a lecture on infant development to learn about object permanence, the understanding that things you can no longer see still exist. That’s an abstraction that ...

Peekaboo, a simple game, significantly impacts infants' early language development and brainpower by teaching object permanence. This game aids cognitive growth, helping babies understand that ...