Khan Academy Static

3A: As you visually process this webpage, countless action potentials are taking place across the neurons in the occipital lobe of your brain. An action potential is an extremely quick change in the membrane potential of the neuron that can propagate toward other neurons. It’s like one neuron is telling another neuron “Hey, wake up! We have work to do!” You will soon gain an appreciation for the mechanism of the action potential, which allows for communication between neurons of all flavors in your body- from those responsible for the maintenance of memory to those functioning in sensation.

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