Object Permanence
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Object Permanence

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Object permanence is the understanding that objects continue to exist even when they cannot be seen, heard, or touched. Jean Piaget argued that object permanence is one of an infant''s most important accomplishments, as without this concept, objects would have no separate, permanent existence. In Piaget''s Theory of cognitive development infants develop this understanding by the end of the "sensorimotor stage", which lasts from birth to about 2 years of age. Piaget th...