V2EX bichromacy

Bichromacy

释义 Definition

二色视觉(/二色视):一种色觉类型,视觉系统主要依靠两类视锥细胞(两种光谱敏感度)来区分颜色;与三色视觉(trichromacy)相对。常见于部分动物,也可见于某些人类色觉缺陷类型。

发音 Pronunciation (IPA)

/bakromsi/

例句 Examples

Some mammals have bichromacy and see fewer color differences than humans.
一些哺乳动物具有二色视觉,因此能分辨的颜色差异比人类更少。

Researchers tested color discrimination under bichromacy by comparing responses to redgreen and blueyellow stimuli.
研究人员通过比较对红绿与蓝黄刺激的反应,来检验二色视觉条件下的颜色辨别能力。

词源 Etymology

由 **bi-**(“二、双”)+ **chrom-**(源自希腊语 chrōma,意为“颜色”)+ -acy(表示“状态、性质”)构成,字面义即“二种颜色(通道)的状态”,引申为“由两种色觉通道构成的色觉类型”。

相关词 Related Words

文学与著作举例 Literary Works

  • An Introduction to the Biology of Vision(讲授视觉生物学的教材/专著中常讨论二色视觉与三色视觉)
  • Sensory Ecology(感觉生态学领域著作中常用 bichromacy 描述动物视觉系统差异)
  • Color Vision: From Genes to Perception(色觉研究论文集/学术著作中常出现该术语,用于讨论色觉机制与演化)
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