| The baby, like many a great philosopher, is highly dubious of object permanence, or even objectivity for that matter. |
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| Piaget's investigations into the origins of object permanence, number, geometry and time provide the foundations of Dr. Spelke's research. |
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| They'd been going over the concepts of object permanence and keratin growth almost nightly, and she really thought Jim had it down by now. |
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| A new parent might cherry-pick a lecture on infant development to learn about object permanence, the understanding that things you can no longer see still exist. |
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| The child who is blind may demonstrate this early knowledge of object permanence when part of an object is touched by some part of his or her body. |
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