Počet záznamů: 1  

Eye movements in Multiple Object Tracking systematically lagging behind the scene content

  1. 1.
    0397031 - PSÚ 2014 RIV NL eng A - Abstrakt
    Lukavský, Jiří
    Eye movements in Multiple Object Tracking systematically lagging behind the scene content.
    Perception. Roč. 42, Suppl (2013), s. 42-43. ISSN 0301-0066. E-ISSN 1468-4233.
    [36th European Conference on Visual Perception. 25.08.2013.-29.08.2013, Brémy]
    Grant CEP: GA ČR GA13-28709S
    Institucionální podpora: RVO:68081740
    Klíčová slova: eye movements * attention * multiple object tracking
    Kód oboru RIV: AN - Psychologie
    http://www.perceptionweb.com/abstract.cgi?id=v130146

    In the current experiment I investigated whether the eye movements during Multiple Object Tracking (MOT) are based on the object positions in future or rather in past. Importantly this can be done without assumptions about specific participants’ strategies. I recorded eye movements in MOT with 60 trials (N=20). Participants tracked 4 of 8 objects for 10 seconds (speed 5deg/s). For every subject five trials were repeated four times each during the experiment and four times more in reversed direction. For each repeating trial I used Normalized Scanpath Saliency measure adapted for dynamic scenes to compare the eye movements between trials presented in forward and backward direction. I varied the latency between -250 ms (prediction) and +250 ms (lag) and looked for the local maximum (90 % of comparisons had maxima within the inspected range). The systematical lag was present in each participant (mean 99ms; 95 %CI 81- 116 ms).
    Trvalý link: http://hdl.handle.net/11104/0224680

     
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