dopamine

[doh-puh-meen]

noun

1. 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.

2. Pharmacology.,  a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock.

dopamine

/ ˈdɒpəmɪn /

noun

1. a chemical found in the brain that acts as a neurotransmitter and is an intermediate compound in the synthesis of noradrenaline. Formula: (HO) 2 C 6 H 3 (CH 2 ) 2 NH 2

Word History and Origins

Origin of dopamine¹

First recorded in 1955–60; dopa, amine

Word History and Origins

Origin of dopamine¹

from d ( ihydr ) o ( xy ) p ( henylethyl ) amine

Example Sentences

Normally, alpha-synuclein's natural or "native state" is like a flexible strand, but when active it shapes itself into a helix, which is critical for its function in binding and transporting parcels of dopamine.

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"The anticipation of receiving a reward leads to the release of dopamine... which makes us feel good."

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It produces dopamine and serotonin, the glue of human bonding.

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Studies show that donating to religious or charitable causes literally feels good, because such actions trigger the release of dopamine, endorphins and other “happiness chemicals” in the brain.

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They’re everywhere and I enjoy the dopamine thrill of feeling outraged and superior as much as the next person.

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