Remijn Gerard B, Ito Hiroyuki
Kyushu University, Faculty of Design, Department of Visual Communication Design, 4-9-1 Shiobaru, Minami-ku, Fukuoka 815-8540, Japan.
Vision Res. 2007 Jun;47(14):1869-79. doi: 10.1016/j.visres.2007.03.017. Epub 2007 May 11.
In this study we employed the streaming-bouncing stimulus to investigate aspects of dynamic occlusion, e.g., of objects that temporarily move under occlusion while covertly being tracked. Two occluders, both either luminance-defined or invisible (virtual), were placed on the trajectories of the moving objects in the streaming-bouncing stimulus. We found that the bouncing percept was dominant when the objects moved under luminance-defined occluders but not when they moved under virtual occluders. Perceived motion direction thus varied with occluder visibility. The results seem to suggest that perceptual completion of a moving object interferes with constant motion processing of the same object.
在本研究中，我们采用了流弹跳刺激来研究动态遮挡的各个方面，例如，在被暗中跟踪时暂时在遮挡物下移动的物体。在流弹跳刺激中，两个遮挡物，要么是亮度定义的，要么是不可见的（虚拟的），被放置在移动物体的轨迹上。我们发现，当物体在亮度定义的遮挡物下移动时，弹跳感知占主导地位，但当它们在虚拟遮挡物下移动时则不然。因此，感知到的运动方向随遮挡物的可见性而变化。结果似乎表明，移动物体的感知完整性会干扰同一物体的恒定运动处理。
