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dopamine

/doh-puh-meen/US // ˈdoʊ pəˌmin //UK // (ˈdɒpəmɪn) //

多巴胺,多巴明,多巴碱,多巴菰

Definitions

n.名词 noun
  1. 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.Compare dopa.
    • : Pharmacology. a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock.

Examples

  • Others, however, performed worse, especially when their estimated dopamine levels were high.

  • Although the accomplishment may be “low-hanging fruit,” you can still experience the benefit of dopamine, the reward neurochemical, she noted.

  • Certain neurotransmitters like norepinephrine and dopamine are related to those regions.

  • According to proponents of this model, sugar activates the pleasure center of the brain, releasing chemicals like dopamine, much like alcohol or illicit drugs do.

  • Others tapped dopamine—the main messenger for the brain’s reward system—to unite electricity and chemical computing into a semi-living computer.

  • The hypothalamus becomes super-charged, the dopamine sets to racing—to violins, the piano, anything.

  • Flooding your brain with dopamine and serotonin, it not only heightens feelings of euphoria, but empathy and love as well.

  • It is entirely clear that the dopamine system responds to physical activity.

  • Several lines of scientific evidence have begun to implicate genes that control dopamine.

  • And there is evidence that the reverse is true as well, that physical activity levels respond to the dopamine system.