Those all still boil down to yes or no. Have you seen it? Yes or no? More than 50% sure? yes or no? More than 90% sure? Yes or no?
The neuron either reaches a threshold to fire, or it does not. On or off.
The neuron either reaches a threshold to fire, or it does not. On or off.
In comparison, DNN are an abacus level of simplicity.
If we can mathematically model it, then we can use 1's and 0's to do so. What you are suggesting is that how we think and observe the world with our brains is not mathematically possible. If that's the case, then Math is wrong, or at best: an approximation to the universe.
Implication: Consciousness exists in the gap between the universe and math.