I also read "On Intelligence", though quite some time ago. It was much better than the various Ray Kurzweil books that I had read around the same time. "A New T

I also read "On Intelligence", though quite some time ago. It was much better than the various Ray Kurzweil books that I had read around the same time. "A New Theory of Intelligence" is on my reading list. If you're interested in the biological aspects of the human brain, I would suggest "I Am a Strange Loop" by Douglas Hofstadter, which explores a concept of where consciousness comes from, or "The Man who Mistook His Wife for a Hat" by Oliver Sacks.