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I like the metaphor of boxes within boxes (it is simultaneously simple and complex, which I think sums up many of our observations so far), and the idea that the brain is capable of creating outputs without inputs.  I don’t see how anyone can argue that every output requires an input when there are so many things our brains seem to do entirely on their own.  I was reminded of the article on sciam.com, “Escape from the Insipid: Our Brains May Be Wired for Daydreaming.”  I suppose one could argue that our dreams and daydreams are impacted by past experiences and knowledge, but it seems to me that our brains have an incredible ability for integrating these thoughts and experiences in very unique ways, putting an entirely original perspective on everything.  Every person’s perspective is a unique creation of their brain.

I know a neurosurgeon who had chosen that career path even before high school.  I asked him recently why he was so instantly drawn to the brain and why he is so fascinated by it.  His answer: “Because I don’t understand it at all.”  I think that’s something you have to accept for all of these issues, but it only makes them more interesting.