10: Brain LIGHTNING! [Electrophysiology]
Your body isn’t strung with copper wire. So how does the nervous system send electrical signals? Libby and Ruka discuss this question and attempt to do math. When you’re done listening, remember to write that letter to your Nana Amps. She misses you.
Key Words
action potential, axon terminal, axon, cell membrane, current, electrical potential, excitatory, extracellular, gap junction, graded potential, inhibitory, intracellular, ions, leak channels, megaohms (mΩ), membrane potential, millivolts (mV), myelin, Na+/K+-ATPase, nanoamps (nA), negative charge, Ohm’s law, pacemaker potential, permeability, positive charge, potential difference, potential, propagation, receptor potential, resistance, resting membrane potential, signal transduction, synaptic potential, threshold, transmembrane potential, V=IR, volts
Old West Words of the Day
John B.
John Barleycorn
Brother Jonathan
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References
Textbooks
Principles of Neural Science, Kandel, Schwartz, and Jessell, 4th Edition
Vander’s Human Physiology, 13th Edition
Music
Bushwick Tarantella by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1300002
Artist: http://incompetech.com/
Modified from original with volume fading and cuts
Disclaimer
This podcast is for entertainment and education only. Neither of the hosts is a medical doctor, and nothing they say is medical advice. Please consult with your physician before making decisions about your health.
