From wikipedia: This is the best popular video on the argument I've seen, by far: [video=youtube;dFs9WO2B8uI]http://www.youtube.com/watch?feature=player_embedded&v=dFs9WO2B8uI#![/video] Very, very interesting. Do you know your lateral dominance? These tests measure your right and left brain functions, indicating strengths and possible weaknesses, and whether you are more dominant in one hemisphere. (Top-right corner of the page) http://similarminds.com/personality_tests.html My hypothesis is that NF = right brain dominance ST = left brain.