[http://panoptic.com/rking/img/peabrain.png|link=http://panoptic.com/rking/img/peabrain.svg]I found this in an old book at the library (I'll have to go back and find it), and I make a version of it in [Inkscape|http://www.inkscape.org/].I found this in an old book at the library (I'll have to go back and find it), and I made a version of it in [Inkscape|http://www.inkscape.org/].