Which neurotransmitter is involved in the "Fight or Flight" response?

Serotonin is a neurotransmitter that helps regulate:

Too much of this neurotransmitter can cause severe muscle spasms, increased salivation, lacrimation, muscular weakness, paralysis, muscular fasciculation, diarrhea, and blurry vision......

Loss of Dopamine-producing neurons is a cause of what disease?

Decrease of Norepinephrine can lead to:

The release of this neurotransmitter is more potent than any opiate (painkilling drug):

All of the following mimic the neurotransmitter GABA except

Fluoxetine works to combat depression by keeping this neurotransmitter in the synapse longer:

Amitriptilin works to combat depression by keeping this neurotransmitter in the synapse longer: