do·​pa·​mine | \ ˈdō-pə-ˌmēn How to pronounce dopamine (audio) \

Definition of dopamine

: a monoamine C8H11NO2 that is a decarboxylated form of dopa and that occurs especially as a neurotransmitter in the brain

Examples of dopamine in a Sentence

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In one major study, Dr. Carlsson administered an antipsychotic drug to rabbits, reducing dopamine levels in their brains. Harrison Smith, Washington Post, "Arvid Carlsson, Nobel laureate who uncovered a treatment for Parkinson’s, dies at 95," 2 July 2018 To see whether a similar mechanism exists in humans, her team gave 10 healthy men a drug that depletes dopamine levels. Emily Underwood, Science | AAAS, "Could deep brain stimulation help zap diabetes?," 23 May 2018 To ease symptoms of Parkinson's, some patients take levodopa and other drugs that increase dopamine levels. Ferris Jabr, Scientific American, "How the Brain Gets Addicted to Gambling," 14 May 2018 These drugs typically work by affecting the levels of brain neurotransmitters that impact mood, like dopamine and serotonin, Jamie Alan, Ph.D., an assistant professor of pharmacology and toxicology at Michigan State University, tells SELF. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 For some reason, every book in the self-improvement genre veers into evolutionary biology or what some study about dopamine and rats tells us about human accomplishment. Kate Bachelder Odell, WSJ, "‘Atomic Habits’ and ‘The Bullet Journal Method’ Review: New Year’s Baby Steps," 31 Dec. 2018 The Hills Reunion MTV has truly tapped into our 2000s-nostalgia dopamine receptors for 2019, and The Hills reunion show is no exception. Vogue, "The 9 Pop-Culture Events We’re Most Excited About in 2019," 28 Dec. 2018 Parkinson’s disease is a neurodegenerative disorder that affects dopamine-producing neurons in the brain. Alexandria Hein, Fox News, "Cancer survivor left crippled by treatment undergoes life-saving surgery," 27 Aug. 2018 These are components of nerve cells that detect chemical signals—aka neurotransmitters, in this case dopamine—that are sent from other nerve cells. Beth Mole, Ars Technica, "Blockbuster drug Abilify nears Judgment Day over compulsive gambling, sex," 3 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dopamine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dopamine

1959, in the meaning defined above

History and Etymology for dopamine

dopa + amine

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Statistics for dopamine

Last Updated

18 Mar 2019

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Time Traveler for dopamine

The first known use of dopamine was in 1959

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do·​pa·​mine | \ ˈdō-pə-ˌmēn How to pronounce dopamine (audio) \

Medical Definition of dopamine

: a monoamine C8H11NO2 that is a decarboxylated form of dopa and occurs especially as a neurotransmitter in the brain and as an intermediate in the biosynthesis of epinephrine — see intropin

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Rhyming Dictionary: Words that rhyme with dopamine

Nglish: Translation of dopamine for Spanish Speakers Encyclopedia article about dopamine

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to corrupt or become corrupted

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