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What is the speed of short messages?
First, the influence of axon diameter.
Because this transmission speed is realized by internal current, when the important official mutation is rough, the internal resistance will decrease, so there will be a strong current in the local area, and this current will have a certain potential difference with the nearby parts, so that information can be transmitted quickly.
Second, the influence of myelin sheath in human body.
There are some myelin sheaths outside the human nerve fibers, which can speed up the information transmission to a certain extent, which is more effective than simply using the first method. Because it has very high low capacitance and high resistance, it will form local current around it, thus speeding up information transmission.
Third, sodium channels in human nerves.
Sodium channel in human nerve is also a favorable condition for information transmission, because only in the area with sodium channel can a certain action potential be formed, so that this transmission can be in jumping mode, which can not only save energy but also greatly improve the speed of human information transmission.
From the above three points of view, the reason why the information transmission between the human brain and the body is so fast is mainly realized by the potential difference inside and outside the nerve cell membrane in the human body. Through the cooperation of various nervous systems in the human body, information constantly obtains signals, converts signals and processes signals, so as to orderly transmit the instructions issued by the brain, and finally achieve the purpose of transmitting information from the brain to all parts of the body. So personally, I think this transmission speed is similar to the speed of current. Do you have anything to add about the speed of information transmission between the brain and various parts of the body? Welcome to leave a message below.
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