In what part of the neuron does the electrical charge change into a chemical form to travel across the synapse to the next neuron?

What part of the neuron does the immune system attack with MS?

The neuron has ways of screening the information that reaches the brain to protect us from overload.List these two parts of the neuron.

What are side effects from medication created?

How do antidepressants (specifically, SSRIs: Selective Serotonin Reuptake Inhibitors) work in the synapse to effect mood?

In what part of the neuron does the electrical charge change into a chemical form to travel across the synapse to the next neuron?