Thursday, March 30, 2006

Small brain, Big IQ

via NewScientist

In this study, they found out that the size of children's brain is not the main factor to evaluate the neural corrolate of IQ. They found a correlation between the thickness of the prefrontal cortex and the IQ. But as others studies showed before, there's also a correlatino with parent's job and education. Then, we still have the nature-nurture debat. The hypothesis of the scientist is that the way the brain is used when we are young will influence the thickness of prefrontal cortex, so the environment modulate IQ through the prefrontal's thickness.


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