V2EX retinotopy

Retinotopy

定义 Definition

视网膜拓扑(映射):指视觉系统中(尤其是初级视皮层等脑区)对视网膜空间布局的有序对应关系;也就是说,视网膜上相邻位置的信号,通常会投射到大脑中相邻的神经区域,形成“空间地图”。(该词也常用于描述这种地图本身:retinotopic map。)

例句 Examples

Retinotopy helps the brain keep track of where things are in our visual field.
视网膜拓扑映射帮助大脑追踪物体在我们视野中的位置。

Using fMRI, researchers mapped retinotopy in the visual cortex and found systematic changes from the center to the periphery of vision.
研究人员使用功能性磁共振成像绘制了视皮层的视网膜拓扑映射,发现从中央视野到周边视野存在规律性的变化。

发音 Pronunciation (IPA)

/rtntpi/(美式常见)
/rtntpi/(英式常见)

词源 Etymology

由 **retino-**(与“视网膜 retina”相关)+ -topy(来自希腊语 topos,意为“地点、位置”)构成,字面意思是“视网膜的空间位置(对应关系)”。该术语常用于神经科学与视觉科学,用来强调“空间结构在神经通路中的保留”。

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • Principles of Neural Science(Eric R. Kandel 等):在视觉皮层组织与“视网膜拓扑映射”章节中常出现该术语。
  • The Organization of the Retina and Visual System(相关视觉科学/神经科学教材与综述传统):用于描述视网膜丘脑皮层的空间对应。
  • NatureScienceJournal of Neuroscience 等期刊的视觉皮层研究论文:尤其在 fMRI/电生理“retinotopic mapping(视网膜拓扑测绘)”研究中频繁出现。
  • Hubel & Wiesel 视觉皮层经典研究的后续综述与教材化呈现:常用“retinotopy/retinotopic map”总结其空间组织发现。
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