The idea that objects continue to exist even when they are no longer in view. Coined by Swiss psychologist Jean Piaget in 1954, object permanence is a cognitive skill that emerges in babies between eight and 12 months.
The idea that objects continue to exist even when they are no longer in view. Coined by Swiss psychologist Jean Piaget in 1954, object permanence is a cognitive skill that emerges in babies between eight and 12 months.