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n. A monoamine neurotransmitter formed in the brain by the decarboxylation of dopa and essential to the normal functioning of the central nervous system. A reduction in its concentration within the brain is associated with Parkinson's disease.

n. A neurotransmitter associated with movement, attention, learning, and the brain’s pleasure and reward system.

n. a monoamine neurotransmitter found in the brain and essential for the normal functioning of the central nervous system; as a drug (trade names Dopastat and Intropin) it is used to treat shock and hypotension

"But the connection that scientists are making are saying basically this: when you check your information, when you get a buzz in your pocket, when you hear a ring you get what they call a dopamine squirt."

monoamine neurotransmitter    phenethylamine    catecholamine   

norepinephrine   

serotonin    acetylcholine    melatonin    noradrenaline    cortisol