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Asked by anon-361355 on 25 Mar 2023.
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Lucien Heurtier answered on 25 Mar 2023:
A neuron does not travel in the brain. A neuron is like a processor in your computer. It is not moving but it is constantly exchanging information with other neurons. The information it exchanges is an electric signal. It is basically little electrons that travel from neuron to neuron. It goes at a speed between 0.5 to 100 meters per second, which is quite fast actually!
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Barak Gilboa answered on 27 Mar 2023:
Just to expand a bit on what Lucien wrote, neurons communicate through two mechanisms: action potentials, which are surges in voltage travelling across the cells, a process that is called depolarisation, and neurotransmitters that are chemical molecules that pass from one cell to another and can activate an action potential among other roles. Each of these can affect the other, for example an action potential can cause the release of neurotransmitters and the other way around.
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