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. 2025 Nov 12;16:1570929. doi: 10.3389/fpsyg.2025.1570929

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Flowchart depicting a process for data processing and feature construction in eye movement analysis. It starts with data acquisition and annotation, followed by missing value imputation and eye movement behavior replacement. Feature expansion includes calculating saccadic velocity, pupil dilation rate, and time-domain and frequency-domain features, along with data windowing. The process concludes with constructing the feature set. — Overall process of eye movement data processing.