10-Minute Neuroscience: Action Potentials

Subjects: Neurosciences
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Neuroscientifically Challenged

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Release Date: 2023-11-17

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action potential
membrane potential

Video Introduction

This video is adapted from: https://youtu.be/TUOSCEVt6HI?si=ycX_FDuN3vO9tmdK

In this video, I cover the basics of the action potential beginning with an explanation of membrane potential and how it sets the stage for the action potential. Then, I describe how an action potential is generated and how it ends. I cover the propagation of an action potential down the axon and the role myelin plays in this process. Finally, I discuss the absolute and relative refractory periods and what they mean for repeated action potential firing. ^[1]^[2]^[3]

Key points:

00:00 Introduction

0:17 Membrane potential

4:18 Action potential

7:20 Propagation down the axon and role of myelin

8:51 Absolute and relative refractory periods

References

Bean BP, Koester JD. 2021. Propagated Signaling: The Action Potential. In: Kandel ER, Koester JD, Mack SH, Siegelbaum SA, eds. Principles of Neural Science, 6th ed. New York: McGraw-Hill.
Koester JD, Siegelbaum SA. 2021. Membrane Potential and the Passive Electrical Properties of the Neuron. In: Kandel ER, Koester JD, Mack SH, Siegelbaum SA, eds. Principles of Neural Science, 6th ed. New York: McGraw-Hill.
Pinel JPJ. 2014. Biopsychology. 9th ed. New York: Pearson.

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Name: 10-Minute Neuroscience: Action Potentials
Uploaded: 2023-11-17T04:11:17+01:00
Description: In this video, I cover the basics of the action potential beginning with an explanation of membrane potential and how it sets the stage for the action potential

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Challenged, N. 10-Minute Neuroscience: Action Potentials. Encyclopedia. Available online: https://encyclopedia.pub/video/video_detail/965 (accessed on 21 December 2024).

Challenged N. 10-Minute Neuroscience: Action Potentials. Encyclopedia. Available at: https://encyclopedia.pub/video/video_detail/965. Accessed December 21, 2024.

Challenged, Neuroscientifically. "10-Minute Neuroscience: Action Potentials" Encyclopedia, https://encyclopedia.pub/video/video_detail/965 (accessed December 21, 2024).

Challenged, N. (2023, November 17). 10-Minute Neuroscience: Action Potentials. In Encyclopedia. https://encyclopedia.pub/video/video_detail/965

Challenged, Neuroscientifically. "10-Minute Neuroscience: Action Potentials." Encyclopedia. Web. 17 November, 2023.