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Human brain has very likely 10^15 synapses so these models are still behind at least 3 orders of magnitude. To put in perspective, if you want to simulate “netw
by sytelus 5y ago
Human brain has very likely 10^15 synapses so these models are still behind at least 3 orders of magnitude. To put in perspective, if you want to simulate “network” of human brain, you probably need an entire data center worth of GPUs.
- orbifold 5y agoThat is assuming you restrict yourself to a radical simplified model of each neuron. The actual biochemical processes going on in a single synaptic density go way beyond something that could be represented by a scalar weight that assemble into a linear transformation. Instead we are talking about 10^15 dynamical systems. This then still neglects most of the time /spatial extended nature of neurons, the fact that calcium stores in the endoplasmatic reticulum play a role etc. Some of this might be only relevant to learning, but non-linear dendritic processing is believed to be relevant for example for inference aswell.