V2EX hippocampus

Hippocampus

释义 Definition

**名词 (n.)**:海马体,大脑中负责记忆和空间导航的重要结构,位于大脑颞叶内侧。

该词也指古希腊神话中的海马(一种前半身为马、后半身为鱼的神话生物)。

发音 Pronunciation

/hp.km.ps/

词源 Etymology

源自拉丁语 hippocampus,再追溯至古希腊语 hippokampos(ππκαμπο),由 hippos(马)和 kampos(海怪)组合而成。16世纪时,解剖学家因大脑中这一结构的形状酷似海马,便借用了这个神话生物的名字来命名。

例句 Examples

The hippocampus plays a key role in forming new memories.
海马体在形成新记忆方面起着关键作用。

Damage to the hippocampus can result in severe anterograde amnesia, leaving patients unable to convert short-term experiences into long-term memories.
海马体受损可能导致严重的顺行性遗忘症,使患者无法将短期经历转化为长期记忆。

相关词汇 Related Words

文学作品引用 Literary References

  • 在奥利弗萨克斯(Oliver Sacks)的《错把妻子当帽子》(The Man Who Mistook His Wife for a Hat)中,多处讨论了海马体损伤对记忆的影响。
  • 苏珊娜科金(Suzanne Corkin)的《永远的现在时》(Permanent Present Tense)详细记录了著名的失忆症患者 H.M.,其海马体被手术切除后丧失了形成新记忆的能力,成为神经科学史上最重要的案例之一。
  • 在诺曼道伊奇(Norman Doidge)的《重塑大脑》(The Brain That Changes Itself)中,海马体作为大脑可塑性的关键区域被反复提及。
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