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In this video I explain how an action potential is triggered in a neuron when it reaches its threshold. I explain the movement of ions, resting potential, and the all or none principle of neural firing. I also cover how the message is propagated along the axon and how myelin makes this process more efficient. Don’t forget to subscribe to the channel to see future videos! Have questions or topics you’d like to see covered in a future video? Let me know by commenting or sending me an email! Need more explanation? Check out my full psychology guide: Master Introductory Psychology: http://amzn.to/2eTqm5s Enable closed-captioning or find a full transcript of this video here: http://www.psychexamreview.com/the-action-potential/
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