Later in this book I will provide more evidence supporting mind-brain identity. Chapters 4–6 will
provide fuller accounts of how brains know the world, have emotional experiences, and make
decisions. Proponents of the soul hypothesis cannot avoid the evidence that links such aspects of mind
with brain processes, but they have to say that the brain hypothesis is not by itself sufficient to explain
everything about thinking. Dualism maintains that people consist of both minds and bodies, or more
specifically souls and brains. Let us now consider some evidence that might support dualism over the
simpler identification of minds with brains.