"The amygdala is a part of the brain which is very old and very ancient and thought to be very primitive and to do with the detection of emotions. The right amygdala was larger in those people who described themselves as conservative. Read more: http://www.news.com.au/technology/sci-tech/a-thick-brain-means-youre-right-wing/story-fn5fsgyc-1225977753184#ixzz1Bg6y2XLc