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<p>subsequent mathematical achievement in school. The ANS has been linked to the <a href="page.php?w=intraparietal_sulcus">intraparietal sulcus</a> of the brain.</p>

<p><big>History</big></p>
<p><big>Piaget's theory</big></p>
<p><a href="page.php?w=Jean_Piaget">Jean Piaget</a> was a Swiss <a href="page.php?w=developmental_psychologist">developmental psychologist</a> who devoted much of his life to studying how children learn.  A book summarizing his theories on number cognition, The Child's Conception of Number, was published in 1952.  Piaget's work supported the</p><p>
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