 detailed this in his book, it's called the idea of the brain. Anyway, but the thing is, we get really bamboozled and fall in love with whatever the latest object is that we invented. And our latest thing that we invented is the computer. And so we're like, the brain is comprised of circuits. And so then we sort of over index on these metaphors. And right now, we're actually really bumping against the limits of what the computer metaphor can help us understand about the brain, because it is so far beyond that understanding.