Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
learning

Judged: two independent readers; copy check clear.

object permanence

object permanence Object permanence is the understanding that an object still exists even when it cannot be seen.

Object permanence is the understanding that an object still exists even when it cannot be seen. In cognitive development, it is described as an important part of the sensorimotor stage.