V2EX visual cortex

Visual Cortex

释义 Definition

视觉皮层:大脑皮层中主要负责处理视觉信息的区域,主要位于枕叶(occipital lobe)。它把来自视网膜、经由视神经传入的信号进行分析与整合(如边缘、形状、运动、颜色等)。其中最常被提到的是初级视觉皮层(V1)

发音 Pronunciation (IPA)

/vul krtks/

例句 Examples

The visual cortex helps you see shapes and colors.
视觉皮层帮助你看见形状和颜色。

Damage to the visual cortex can impair perception even when the eyes are healthy, leading to difficulties recognizing objects or tracking motion.
即使眼睛本身健康,视觉皮层受损也可能影响知觉,导致难以识别物体或追踪运动。

词源 Etymology

visual 来自拉丁语 visus(“看见、视觉”);cortex 来自拉丁语 cortex(“树皮、外层”)。在解剖学中,cortex 被借用来指器官的“外层”,因此 visual cortex 字面上可理解为“负责视觉的(大脑)皮层外层区域”。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Principles of Neural Science(《神经科学原理》)系统讲解视觉通路与视觉皮层(含 V1 等)。
  • Vision: A Computational Investigation into the Human Representation and Processing of Visual Information(David Marr,《视觉》)从计算与表征角度讨论视觉处理,涉及视觉皮层的功能分工。
  • The Tell-Tale Brain(V. S. Ramachandran,《会说话的大脑》)以通俗方式谈脑区功能与病例,常提及视觉皮层相关现象。
  • An Anthropologist on Mars(Oliver Sacks,《火星上的人类学家》)通过神经心理学案例讨论视觉与知觉障碍,关联到视觉皮层功能。
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