saccade
/saˈkɑːd
/noun (usually saccades) technical
A rapid movement of the eye between fixation points.The pattern of fixations and saccades during visual exploration of a scene using only the eyes is strikingly similar to the intermittent locomotion of an animal searching for food in a physical landscape....
- A reader's eye still moves in a series of jumps and stops known as saccades and fixations.
- Also, in a variation of the boundary paradigm used in reading research, they obtained evidence that Chinese readers rely on phonological codes when integrating information across saccades.
Derivatives
saccadic
- However, there is also a genuine decrease in sensitivity to light during a saccade - called saccadic suppression.
- In doing so, they perform saccadic movements, smooth pursuit movements, vergence movements, vestibular movements, and accommodation.
- The current analyses showed that response time, number of fixations per trial, initial saccadic latency, fixation duration, and saccadic amplitude varied as a function of the ratio between the red and blue items.
Origin
Early 18th century (in the sense 'jerking movement'): from French, literally 'violent pull', from Old French saquer 'to pull'.
Rhymes
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