Looks pretty demonstrative and easy to understand in my view. And relates to trading of course as one of occupations, which require one's success potential to be truly maxed out so to say. Enjoy. 
http://nextshark.com/this-infograph...e-between-successful-and-unsuccessful-brains/

http://nextshark.com/this-infograph...e-between-successful-and-unsuccessful-brains/