Jeff Hawkins covers a lot in this 20 minute video, defining a brain theory that's easy to understand and, in my opinion, the most interesting rendition of how the brain functions that i've ever heard. He defines us as Prediction Machines, check out the video to understand what he means.
Step in the right direction for A.I me thinks
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2008/06/01/jeff-hawkins-brain-science-is-about-to-fundamentally-change-computing.aspx