How do nerves work? - Elliot Krane
View full lesson: http://ed.ted.com/lessons/how-do-nerves-work At any moment, there is an electrical storm coursing through your body. Discover how chemical ...
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How do nerves work? Are nerves simply the wires in the body that conduct electricity, like the wires in the walls of your home or in your computer? This is an analogy often made, but the reality is that nerves have a much more complex job in the body. They are not just the wires, but the cells that are the sensors, detectors of the external and internal world, the transducers that convert information to electrical impulses, the wires that transmit these impulses, the transistors that gate the information and turn up or down the volume- and finally, the activators that take that information and cause it to have an effect on other organs. Consider this. Your mother gently strokes your forearm and you react with pleasure. Or a spider crawls on your forearm and you startle and slap it o...
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How do nerves work? Are nerves simply the wires in the body that conduct electricity, like the wires in the walls of your home or in your computer? This is an analogy often made, but the reality is that nerves have a much more complex job in the body. They are not just the wires, but the cells that are the sensors, detectors of the external and internal world, the transducers that convert information to electrical impulses, the wires that transmit these impulses, the transistors that gate the information and turn up or down the volume- and finally, the activators that take that information and cause it to have an effect on other organs. Consider this. Your mother gently strokes your forearm and you react with pleasure. Or a spider crawls on your forearm and you startle and slap it o...
