The demographics questionnaire includes questions about age, education, gender and employment. حسب Marcel F. Hinss (14675457)

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RTs (in ms, bars) and ACC (in%, line) across time points, with 95% confidence interval. حسب Marcel F. Hinss (14675457)

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Test oil circuit circulation diagram. حسب Yang Li (7082)

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RTs (in ms, bars) and ACC (in %, line) for the rebound effect, with 95% confidence interval. حسب Marcel F. Hinss (14675457)

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Experiment Schedule. حسب Yang Li (7082)

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Installation drawing of experimental test specimen. حسب Yang Li (7082)

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The Samn-Perelli Scale is a 7-point Likert scale used to assess fatigue [42, 45]. حسب Marcel F. Hinss (14675457)

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Parameter diagram for the pit parts on the surface of the test specimen (a) Volume (b) Surface area (c) Depth (d) Cross-sectional area. حسب Yang Li (7082)

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Parameter diagram for the raised portions on the specimen surface (a) Volume (b) Surface Area (c) Height (d) Cross-sectional area. حسب Yang Li (7082)

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Graphs of surface roughness values of test specimens after testing with varying concentrations across different particle size groups (a) Ra, Rq (b) Rz (c) Sa, Sq (d) Sz, Sv. حسب Yang Li (7082)

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SEM image of 10-micron iron oxide particles. حسب Yang Li (7082)

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Examples of different stimuli for all subtasks of the task. حسب Marcel F. Hinss (14675457)

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Particle size distribution of iron oxide. حسب Yang Li (7082)

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The St Mary’s Hospital Sleep Questionnaire was used to estimate the sleep quality on the previous night. حسب Marcel F. Hinss (14675457)

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Relevant parameters of test piece. حسب Yang Li (7082)

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Graph of wear volume variation for test groups with different particle sizes at two concentrations. حسب Yang Li (7082)

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The Karolinska Sleepiness Scale (KSS) is a 9-point Likert scale, ranging from “extremely 1 = alert” to “9 = extremely sleepy–fighting sleep” [44]. حسب Marcel F. Hinss (14675457)

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RTs (in ms, bars) and ACC (in %, line) for each simplified task-rule congruency condition, with 95% confidence interval. حسب Marcel F. Hinss (14675457)

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(a). Initial microscopic morphology map of test specimen surface. (b). Initial three-dimensional morphology map of test specimen surface. حسب Yang Li (7082)

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Summary of demographics: Left: Distribution of age; Right: Distribution of handedness as assessed by the EDI [40]. حسب Marcel F. Hinss (14675457)

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