“What about DTNBP1, CHRM2, ASPM, NR2B, HAR1, PYDN?”
Not replicated, or nothing found. ASPM for example isn’t associated with normal variation in IQ (or the effect size too small to detect, they’ve looked). Please see my coblogger “ben g”’s post on the topic:
http://www.gnxp.com/blog/2010/02/half-sigmas-flawed-post-on-dtnbp1.php
(and no, I’m not one of the people who is excited that we haven’t been able find these genes yet)
someone theist. ramesh ponnuru. andrew bacevich. jim pinkerton.