Many of our most basic assumptions about life, values and reality itself come to us from the thinking and writing of some of our best known philosophers. But what if some of those leading figures were only ever capable of understanding reality with what Andrew M. Lobaczewski called a schizoidally impoverished worldview, or what Ian McGilchirst calls a left-hemisphere-dominant mode of cognition? How would we even know? What may be some of the signs to look for? And what are the implications...