V2EX dopamine

Dopamine

释义 Definition

dopamine多巴胺。一种在大脑和身体中发挥重要作用的神经递质(也可作为激素),与奖赏/愉悦、动机、学习、注意力以及运动控制等功能密切相关。(在医学与生物学语境中最常见;日常口语里也常被用来泛指“让人上瘾的快乐感”。)

发音 Pronunciation

/dopmin/

例句 Examples

Dopamine helps the brain learn what actions lead to rewards.
多巴胺帮助大脑学习哪些行为会带来奖励。

Researchers found that long-term stress can disrupt dopamine pathways, affecting motivation and decision-making.
研究人员发现,长期压力可能扰乱多巴胺通路,从而影响动机与决策能力。

词源 Etymology

dopamine源自化学/生理学命名:来自DOPA(一种氨基酸衍生物,常指 L-DOPA)加上化学后缀 -amine(表示“胺”,含氮的有机化合物类别)。因此字面上可理解为“由DOPA相关的胺类化合物”。该词在20世纪中期随神经科学与药理学发展而普及。

相关词 Related Words

文学作品 Literary Works

  • A Curious History of the Brain(Sam Kean)面向大众的脑科学写作中常讨论多巴胺与奖赏系统。
  • The Tell-Tale Brain(V. S. Ramachandran)涉及神经机制与行为的章节常提到与多巴胺相关的通路。
  • Principles of Neural Science(Eric R. Kandel 等)经典神经科学教材中系统讲解多巴胺神经元与功能(学术性较强)。
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