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Updated: Jun 4, 2026
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Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading
Published on: October 18, 2018
Eye movements while reading and searching spatially transformed text: A developmental examination
A B Spragins1, L A Lefton, D F Fisher
1Department of Psychology, University of South Carolina, 29208, Columbia, South Carolina.
Memory & Cognition
|February 3, 2011
Summary
Spatial layout significantly impacts eye movements during reading and searching. Search tasks process more spaces and use shorter fixations than reading, with experience influencing perceptual unit size.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Reading Science
Background:
- Eye movement patterns are crucial for understanding reading and visual search.
- Spatial arrangement of text can influence visual processing efficiency.
Purpose of the Study:
- To investigate how spatial manipulations affect eye movements during reading versus visual search.
- To examine developmental differences in processing spatial cues.
Main Methods:
- Adults and children (3rd and 5th graders) read and searched paragraphs with varied word spacing (normal, filled, absent) and case (normal, alternating).
- Eye movements, including fixations and saccades, were recorded and analyzed.
Main Results:
- Search tasks involved processing approximately twice as many character spaces as reading tasks.
- Search resulted in more fixations of shorter duration compared to reading.
- Absence of spatial cues led to letter-by-letter processing in reading but not in search.
Conclusions:
- Reading and search exhibit distinct eye movement patterns, with reading showing greater sensitivity to spatial manipulations due to comprehension demands.
- The ability to adjust perceptual unit size develops with experience.
- Findings support a two-stage model of visual processing during reading.
