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 permanence is the concept that an object exists even if you can't see it.

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 ...

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.

Peekaboo is a really interesting way of teaching your baby about a concept called 'object permanence'. This is the understanding that when an object or a person disappears from sight, that they're ...

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 ...