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Remarkable video depiction of what happens to the brain, and neurons, during, and after, a head injury (concussion).
Synaptic Transmission is a term that refers to how the nervous system transmits information across a "synaptic gap" (the physical gap between nerve cells) from one neuron to another. This is accomplished by the body's production of chemicals called neurotransmitters (Dopamine, Seratonin, Norepinephrine, Acetylcholine, Glutamate, Histamine and GABA)
This video illustrates the anatomy of the human brain from macro to micro.