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Updated: Jan 30, 2026

Eye Movement Monitoring of Memory
Published on: August 15, 2010
Recurrence quantification analysis of eye movements during mental imagery
Lilla M Gurtner1, Walter F Bischof2, Fred W Mast1
1Department of Psychology, University of Bern, Bern, Switzerland.
Eye movement patterns during mental imagery share spatial similarities with visual perception. However, imagery involves more frequent and rapid re-fixations, indicating distinct temporal dynamics in gaze behavior.
Area of Science:
- Cognitive Neuroscience
- Visual Perception
- Ophthalmology
Background:
- Previous research shows spatial overlap in eye fixations between visual perception and mental imagery.
- The temporal dynamics of eye movements during mental imagery remain underexplored.
Purpose of the Study:
- To investigate the temporal characteristics of eye movements during mental imagery.
- To compare gaze patterns during imagery with those during visual perception using novel analysis techniques.
Main Methods:
- Analysis of eye movement data using conventional spatial methods (Areas of Interest, ScanMatch, MultiMatch).
- Application of Recurrence Quantification Analysis (RQA) to examine re-fixation temporal dynamics.
- Participants viewed and imagined diverse image categories (art, faces, landscapes).
Main Results:
- Fixation locations during imagery were spatially related to perception.
- Participants exhibited more frequent and clustered re-fixations during imagery compared to perception.
- Refixations occurred sooner after initial fixation during mental imagery.
Conclusions:
- Mental imagery and visual perception share content-driven spatial similarities in eye movements.
- Temporal analysis reveals distinct patterns in imagery, including increased re-fixation frequency and speed.
- Findings offer insights into mental imagery maintenance and individual differences in these processes.
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