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Eye Movement Indicator Difference Based on Binocular Color Fusion and Rivalry
Xinni Zhang1,2,3, Mengshi Dai2,3, Feiyan Cheng1,3
1School of Information Science and Technology, Yunnan Normal University, Kunming 650500, China; 2324100061@ynnu.edu.cn (X.Z.); chengfy03@163.com (F.C.); yunlijun@ynnu.edu.cn (L.Y.).
Journal of Eye Movement Research
|April 28, 2025
Summary
Eye movement patterns differ between binocular color fusion and rivalry. Specific saccade amplitude ranges can distinguish these visual processing states, offering potential biomarkers for binocular vision analysis.
Area of Science:
- Neuroscience
- Vision Science
- Ophthalmology
Background:
- Binocular vision integrates visual information through color fusion and rivalry.
- Understanding these mechanisms is crucial for visual processing research.
Purpose of the Study:
- To investigate quantifiable differences in eye movement indicators during binocular color fusion and rivalry.
- To validate eye movement paradigms for analyzing these visual states.
Main Methods:
- Recruited 18 subjects with normal vision.
- Employed Gaze Stability, Straight Curve Eye Hopping, and Smoothed Eye Movement Tracking paradigms.
- Included binocular color rivalry (R-G) and fusion (R-R, G-G) conditions.
Main Results:
- Significant differences in Average Saccade Amplitude, Median Saccade Amplitude, and SD of Saccade Amplitude were found.
- Identified specific Average Saccade Amplitude ranges to differentiate fusion and rivalry states.
- ROC analysis confirmed paradigm effectiveness with high AUC values (0.990, 0.741, 0.967).
Conclusions:
- Eye movement behaviors serve as potential biomarkers for dynamic visual conflict processing.
- Findings support neural computational models of binocular vision.
- Establishes a methodological basis for visual impairment assessment tools using eye movement features.
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