V2EX saccade

Saccade

释义 Definition

saccade(名词):(眼睛的)扫视/跳视;指眼球在两次注视点之间进行的快速、突然的跳跃式运动,常发生在阅读、观察环境或快速搜索目标时。(该词也可作形容词/名词用于相关专业语境,但最常见是名词用法。)

例句 Examples

I noticed his eyes made a quick saccade to the door.
我注意到他的眼睛迅速扫了一下门口。

During reading, the brain gathers information mainly during fixations, while saccades rapidly reposition the eyes from one word to the next.
阅读时,大脑主要在“注视”阶段获取信息,而“扫视”则让眼睛快速从一个词跳到下一个词。

发音 Pronunciation

/skd/

词源 Etymology

来自法语 saccade,原意与“突然的抽动、猛拉、急促的动作”相关,后来在生理学与视觉科学中专门用来指眼球快速跳跃式运动这一现象。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Oliver Sacks An Anthropologist on Mars(《火星上的人类学家》):在讨论神经与知觉的章节中,会涉及眼动控制与视觉加工(含扫视等概念)的相关表述。
  • Richard L. Gregory Eye and Brain(《眼与脑》):经典科普/学术写作,介绍视觉系统与眼动机制,常出现 saccade 及其与注视、知觉之间关系的描述。
  • Eric R. Kandel et al. Principles of Neural Science(《神经科学原理》):权威教材,在视觉与运动控制部分系统讨论眼动(包括扫视)与神经机制。
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