Object permanence.
Contributors: Piaget, Jean, 1896-; Albert Einstein College of Medicine.
Series: Scales of sensorimotor intelligence series
Publisher: Albert Einstein College of Medicine
Published: 1972
Place of publication: [New York, N.Y.]
Language: eng
Format: Motion picture
Number of pages: 23
Subjects: Child psychology.; Cognition.; Imagination.
Description: Summary: Depicts stages in early cognitive development in accordance with Piaget's definitions.  Shows the developmental sequences involved when infants behave as though an object has ceased to exist when it disappears from view, to the point when behaviour indicates the presence of an internalized "mental representation".