释义 |
object permanence
ob·ject per·ma·nence (ob'jekt pĕr'mă-nĕns) Developmental term for a child's ability to understand that objects still exist even when out of sight. Infants 8 months old or younger rarely have this ability. object permanenceThe thought process, first described by Piaget, whereby infants perceive that objects have constancy. This process normally develops by 6 to 12 months of age. |