Object permanence. Baby with visible and hidden toy. Object permanence is the term used to describe the awareness that objects continue to exist even when they can no longer be observed. In the theory of cognitive development of psychologist Jean Piaget, the understanding of object permanence is considered an important developmental milestone. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Photo Researchers |
Taille de l’image : | 4069 px × 5851 px |
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