V2EX microsaccade

Microsaccade

释义 Definition

microsaccade微扫视/微眼跳,指人在“注视”某一点时,眼球仍会不自觉产生的极小、极快速的跳动式眼动。它有助于防止视觉适应导致的“看久了变淡/消失”,也常用于视觉与注意力研究。(该词也常见于眼动追踪与神经科学语境。)

发音 Pronunciation (IPA)

/makrosk.ed/

例句 Examples

During the test, the camera recorded every microsaccade.
在测试中,摄像机记录到了每一次微扫视。

Even when she tried to stare at the dot without moving, tiny microsaccades kept her visual system from fading the image completely.
即使她努力盯着那个点不动,细小的微扫视仍让她的视觉系统不至于把图像完全“看没了”。

词源 Etymology

由 **micro-**(“微小的”)+ saccade(“扫视;眼球快速跳动”)构成。saccade 源自法语 saccade,原意与“突然一抽/一抖”有关,后来被用于描述眼球的快速跳动式运动;加上 micro- 便强调这种扫视幅度极小。

相关词 Related Words

文学与重要著作 Literary Works

  • The Oxford Handbook of Eye Movements(《牛津眼动手册》)眼动研究中常讨论微扫视在注视与注意中的作用。
  • Principles of Neural Science(《神经科学原理》)在视觉与眼动控制相关章节中会涉及微扫视等概念。
  • Seeing: The Computational Approach to Vision(《视觉:计算方法》)等视觉科学/计算视觉类著作中,常在注视稳定与视觉信息更新的讨论里出现该术语。
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