Chuck Palahniuk is a writer who has written lots of strange, weird and risk taking books, and one of his methods for writing fiction that is both strange and deeply human is by establishing authority using what he calls the head or heart method.

This is what he has to say on the subject:

Do you agree with him? I’d like you to think about whether you naturally use one method more than the other in your work. Do you tend to use lots of facts and knowledge in your work? Or do you tell the brutally honest truth? Perhaps you do neither! That’s fine too - we’re here to experiment and try new things!