PHOTO RESEARCHERS, INC. / SCIENCE PHOTO LIBRARY PHOTO RESEARCHERS, INC. / SCIENCE PHOTO LIBRARY
Editorial use only.
Object permanence. Baby with toy. Image 1 of 2. In the second image the toy is blocked from view. 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.
Model release not available. Property release not required.