Emotion increase levels of dopamine, serotonin and norepinephrine in the brain; this causes higher levels of activity in brain circuits that depend on these neurotransmitters.
Emotional response is a function of the Dopamine and Serotonin release.
Dopamine helps in human feelings and coordination. At a very high level of dopamine the excitement state is high and this is a function of the brain. Dopamine can also causes anxiety in another function of the Brain.
Therefore,
Emotion increase levels of dopamine, serotonin and norepinephrine in the brain; this causes higher levels of activity in brain circuits that depend on these neurotransmitters.
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