dopamine
Americannoun
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Biochemistry. a catecholamine neurotransmitter in the central nervous system, retina, and sympathetic ganglia, acting within the brain to help regulate movement and emotion: its depletion may cause Parkinson's disease.
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Pharmacology. a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock.
noun
Etymology
Origin of dopamine
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tyrosine is especially notable because it helps produce neurotransmitters such as dopamine, which influence mood, motivation, and cognitive performance.
From Science Daily
The condition is closely linked to a drop in dopamine levels in the brain.
From Science Daily
But it didn’t take long for one hit of dopamine to turn into another—and another.
Pramipexole and similar drugs work by boosting the activity of dopamine - a chemical that helps regulate our movements, but which also drives feelings of reward and enjoyment.
From BBC
Mosseri was the first major Silicon Valley figure to appear before the jury to defend himself against accusations that Instagram functions as little more than a dopamine "slot machine" for vulnerable young people.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
