Spatial distribution of attention in three dimensional space Y Seya, M Yamaguchi, H Shinoda |
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Ritsumeikan University, Japan
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| To investigate the spatial distribution of attention in three dimensional space defined by binocular disparity, we used a useful field of view task that has been proved useful to reveal attentional resources and spatial distribution of attention. Participants localized a target presented in the peripheral visual field (peripheral target) while identifying a character presented in the fovea (central target). We manipulated the depth of the peripheral target (Experiments 1 and 2) or the central target (Experiment 3). The results of Experiments 1 and 2 revealed no difference in the peripheral task performance by the depth of the peripheral target. However, Experiment 3 showed that the peripheral task performance was lower when the peripheral target was presented on different depths relative to the central target than when it was presented on the same depth. The performance was also lower when the peripheral target appeared on a depth in front of the central target than behind it. The results of Experiment 3 suggest that attention can be spread in three dimensional space. |
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