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Eye tracking device is a tool created to help measure eye and head movements. The first devices for tracking eye movement took two main forms: those that relied on a mechanical connection between participant and recording instrument, and those in which light or some other form of electromagnetic energy was directed at the participant's eyes and its reflection measured and recorded.
Eye movement in music reading is an extremely complex phenomenon that involves a number of unresolved issues in psychology, and which requires intricate experimental conditions to produce meaningful data. Despite some 30 studies in this area over the past 70 years, little is known about the underlying patterns of eye movement in music reading.
When reading, the eye moves continuously along a line of text, but makes short rapid movements (saccades) intermingled with short stops (fixations). There is considerable variability in fixations (the point at which a saccade jumps to) and saccades between readers, and even for the same person reading a single passage of text. When reading, the ...
[citation needed] This distinction allows for a narrower usage of the term "sight-reading" to describe the silent reading of music without producing sound through an instrument or voice. Highly skilled musicians can sight-read silently; that is, they can look at the printed music and hear it in their heads without playing or singing (see ...
Since saccades and fixations are indicative of word recognition, electrooculography (EOG) is used to measure eye movements and the amount of time required for lexical access to target words. This has been demonstrated by studies in which longer, less common words induce longer fixations, and smaller, less important words may not be fixated on ...
Yarbus eye tracker from the 1960s. In the 1800s, studies of eye movement were made using direct observations. For example, Louis Émile Javal observed in 1879 that reading does not involve a smooth sweeping of the eyes along the text, as previously assumed, but a series of short stops (called fixations) and quick saccades. [1]
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He had 232 participants fitted with eye-tracking cameras to trace their eye movements as they read online texts and webpages. The findings showed that people do not read the text on webpages word-by-word, but instead generally read horizontally across the top of the webpage, then in a second horizontal movement slightly lower on the page, and ...
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