A car controlled by a computerized navigational guidance system is likely to respond more rapidly to sudden obstructions in its path than a car controlled by a human driver. this is primarily due to the fact that

This happen primarily due to the fact that a neuron's reaction is an all-or-none response

All-or-none response is the principle that stated that the capabilities of muscle fiber to respond to the stimulus would be limited by the magnitude of that stimulus.

If the magnitude surpasses the threshold potential, the muscle fiber would not give any response at all.