And we can't really start from scratch and teach a "blank" brain either.
Of course, this assumes you have a full map of a brain of a grown human brain, which we have no chance to obtain. If you take into consideration what sort of a royal mess this does to memory mapping, it could easily take days of real time to simulate 1s of brain activity on largest clusters.īut given that you are ok with slowing the time down for the simulated brain, and you don't care if simulated brain turns out to be depressed or high as a kite, yes, in principle, we can simulate a human brain with all of the thoughts in it. Each neuron refreshes at something like 100Hz, but if you want a good simulation, you'll need a much shorter time step, on the order of 10kHz or better. Human brain has hundreds of billions of neurons, each connected to hundreds or even thousands of its neighbors. The other factor is that there is no computer in the world that can simulate neural activity in human brain at anywhere remotely close to real time. We can certainly simulate neuron-to-neuron communication with enough precision to fall somewhere within that range.
But on the other hand, human brain keeps mostly functioning across a range of moods, illnesses, chemical imbalances, and under influences of poisons and drugs. On one hand, there is a lot that we still don't know about the exact way messages are sent between the neurons. A server or cluster with huge storage capacity? Yes, in principle.Īs far as running it, that's a more complicated question.
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