V2EX midbrain

Midbrain

Definition / 释义

midbrain(中脑):位于脑干上部、连接前脑与后脑的结构,参与视觉与听觉反射运动控制以及与奖赏/多巴胺系统相关的功能。(在解剖学上常与“中脑盖/四叠体、被盖、黑质”等结构相关)

Pronunciation / 发音

/mdbren/

Examples / 例句

The midbrain helps control reflexes.
中脑有助于控制反射活动。

Damage to the midbrain can affect eye movements and the brain’s dopamine pathways, leading to problems with coordination and attention.
中脑受损可能影响眼球运动以及大脑的多巴胺通路,从而导致协调与注意力方面的问题。

Etymology / 词源

由 **mid-**(“中间的”)+ brain(“大脑/脑”)构成,字面意思是“位于中间的脑部结构”。在神经解剖学中,它对应传统的脑分区概念(前脑/中脑/后脑)。

Related Words / 相关词

Literary Works / 文学作品

  • Principles of Neural Science(Eric R. Kandel 等):在讲解感觉通路、运动系统与多巴胺相关回路时常涉及 midbrain
  • Neuroscience(Dale Purves 等):在脑干结构与感觉反射章节中使用 midbrain
  • Gray’s AnatomyGray’s Anatomy: The Anatomical Basis of Clinical Practice):在中枢神经系统解剖描述中出现 midbrain
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