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    An Eye Tracking Study on the Effects of Dark and Light Themes on User Performance and Workload
    The visual theme of a dashboard, whether light or dark, is a prominent design choice with potential implications for user experience. This research investigates the effect of visual theme on user performance and workload during decision-making tasks on dashboards. In a within-subjects experiment, we measured the effect of dark and light themes and task complexity (easy, medium and hard), on task completion time, accuracy, confidence, fixation counts, pupil dilation, and workload. The dark mode improves accuracy, confidence, and average fixation count for medium task complexity levels, suggesting its utility in specific scenarios. In dark mode, the relative pupil dilation was higher, but the perceived workload was lower than in light mode. These findings highlight the need to study the interrelation between objective workload measurements and subjective questionnaires. This study advances empirical foundation for theme selection in data-driven interfaces of varying complexity.
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    BlinkArt: Using Change Blindness For AI-Generated Image Modifications in Artworks
    (Association for Computing Machinery, 2026-10-11) ; ; ;
    Jessica Laraine Williams
    ;
    Change blindness, the failure to detect substantial changes, is a known phenomenon that demonstrates one of the limits of human visual perception. Generative image models can now synthesize and edit photo-realistic scenes on demand, with prompt-level control over the magnitude, semantic category and salience of a change while observers struggle to distinguish their output from real photographs. The availability of such fluid image adaptations brings fascinating possibilities when combined with change blindness, with respect to dataset sizes and a broadening of the range of testable changes. We present BlinkArt, a system which swaps AI-generated peripheral modifications into displayed images precisely during natural blinks. The system can autonomously author changes, producing self-documented visual narratives without hand-crafted prompts. BlinkArt’s approach can serve both as a controlled research paradigm and a gaze-reactive art installation in which the artwork evolves precisely where the viewer is not looking.
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