<p>“High IQ”, meaning intelligence? The problem is what is intelligence? </p>
<p>I don’t know if people are good at math and are mathematics major because they have practiced and worked hard for so long or if it’s something they are born with.</p>
<p>Nature vs. Nurture. </p>
<p>If I’m following you correctly on this, you should look up the research of K. Anders Ericcson.</p>