The neural structure of the sea slug Aplysis has been widely studied $($first by Nobel Laureate Eric Kandel$)$ because it has only about $20,000$ neurons, most of them large and easily manipulated:

Assuming that the cycle time for an Aplysis neuron is roughly the same as for a human neuron, how does the computational power, in terms of memory updates per second, compare with the high$-$end computer?