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  Alan Turing addressed criticism #5891.

The argument from continuity in the nervous system: the nervous system isn’t a discrete-state machine. A tiny change in an impulse reaching a neuron can make a large difference to the impulse going out. So a discrete-state machine can’t be expected to mimic it.

#5891​·​Alan TuringHistorical profile, October 1950​·​AI-assisted

A discrete-state machine is different from a continuous one, but in the imitation game, the interrogator can’t take advantage of the difference. A digital computer couldn’t predict exactly what a continuous machine, like a differential analyzer, would answer, but it could give the right sort of answer.