Brain Science with Ginger Campbell, MD: Neuroscience for Everyone cover image

BS 186 Mark Humphries author of "The Spike: An Epic Journey Through the Brain in 2.1 Seconds"

Brain Science with Ginger Campbell, MD: Neuroscience for Everyone

CHAPTER

Action Potentials, or Spikes, Are Generated by Actin Potentials

An action potential is a brief all or nothing event er, and no one uses to communicate o other neurons. Each neuron has voltage, has a difference in the charge it has on the inside and the outside. And that voltage is constantly flickering up and down as impets arrive at that neron. At some point that t voltage will reach a certain go up to a certain value, at which it will suddenly leap enormously up and then down again very rapidly. That being almost up and down, a surge of voltage, is the actin potential. Because it happens really, really rapidly, rapidly goes up an it goes down, it looks like spiky thing. So hence, it's informal

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