[tim333]

We have evidence that general intelligence can be produced but a bunch of biological neurons in the brain and modern computers can process similar amounts of data to those so it's a matter of figuring how to wire it up as it were.

[jcranmer]

Despite being their namesake, biological neurons operate quite distinctly from neural nets. I believe we have yet to successfully model the nervous system of the nematodes, with a paltry 302 neurons.