V2EX striate cortex

Striate Cortex

释义 Definition

纹状皮层;又称初级视觉皮层(primary visual cortex, V1,布罗德曼第17区),位于枕叶、围绕距状沟(calcarine sulcus)。它是视觉信息进入大脑皮层后的第一站,负责对边缘、方向、空间位置、明暗对比等基础视觉特征进行初步加工。“striate(有条纹的)”指其显微结构中可见的条纹样髓鞘带(如Gennari条纹)。

发音 Pronunciation (IPA)

/stra.et kr.tks/

例句 Examples

The striate cortex helps us see lines and shapes.
纹状皮层帮助我们识别线条和形状。

Damage to the striate cortex can cause loss of conscious vision even when the eyes and optic nerve are intact.
即使眼睛和视神经完好,纹状皮层受损也可能导致意识性视觉丧失。

词源 Etymology

striate 来自拉丁语 striatus(“有沟纹/条纹的”),与 stria(“条纹、细沟”)有关;cortex 来自拉丁语 cortex(“树皮、外层”),在解剖学中引申为“(器官的)外层/皮质”。合起来表示“具有条纹外观的皮质区域”,特指V1在组织学上可见的条带结构。

相关词 Related Words

文学与著作 Literary Works

  • Principles of Neural Science(Kandel 等)在视觉通路与V1章节中讨论纹状皮层的功能与分区
  • Eye, Brain, and Vision(David H. Hubel)系统介绍包括纹状皮层在内的视觉皮层加工
  • Hubel & Wiesel (1962), Receptive fields, binocular interaction and functional architecture in the cat's visual cortex 经典研究涉及V1/纹状皮层的功能结构
  • The Visual Neurosciences(Chalupa & Werner, eds.)汇编性权威著作,涵盖纹状皮层与外纹状皮层研究
  • From Neuron to Brain(Nicholls 等)教材中常以纹状皮层为例讲解感觉信息的皮层处理
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