Revealing boundary-contour based surface representation through the time course of binocular rivalry.
Revealing boundary-contour based surface representation through the time course of binocular rivalry.
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通过双眼竞争的时间过程揭示基于边界轮廓的表面表示。
DOI：
10.1016/j.visres.2011.04.005
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发表时间：
2011
期刊：
影响因子：
1.8
通讯作者：
Ooi,TengLeng
中科院分区：
文献类型：
--
作者：
Su,YongR;He,ZijiangJ;Ooi,TengLeng
我们改变了表面的边界轮廓特性的双眼竞争（BR）刺激，以测量的竞争力作为刺激持续时间的函数。实验1比较了单眼边界轮廓（MBC）和双眼边界轮廓（BBC）对BR刺激的感知。我们发现，全球的优势是实现与刺激持续时间短至30毫秒的MBC竞争刺激，而它需要超过150毫秒的BBC竞争刺激。这表明，在一个半图像中没有相应的边界轮廓的情况下，可以快速地发生全局优势。实验2测量了位于1.5°与3.0° MBC竞争刺激中心的单眼Gabor探针的检测。我们发现，可靠的双眼抑制观察到较早的1.5° MBC刺激，大概是因为探头在空间上位于更接近边界轮廓。这些发现与Su et al.（2011）的研究结果相结合，支持了主导表面的表征从MBC开始并向图像中心扩散的观点。
We varied the surface boundary-contour properties of binocular rivalry (BR) stimuli to measure the rivalry percept as a function of stimulus duration. Experiment 1 compared perception from BR stimuli with monocular boundary contour (MBC) and binocular boundary contour (BBC). We found global dominance is achieved with stimulus duration as short as 30 ms for the MBC rivalry stimuli, whereas it takes more than 150 ms for the BBC rivalry stimuli. This shows that global dominance can occur rapidly in the absence of a corresponding boundary contour in one half-image. Experiment 2 measured the detection of a monocular Gabor probe located centrally on a 1.5° versus 3.0° MBC rivalry stimulus. We found reliable binocular suppression is observed earlier with the 1.5° MBC stimulus, presumably because of the probe being spatially located nearer to the boundary contour. These findings, in conjunction with those in Su et al. (2011), support the notion that the representation of the dominant surface begins at the MBC and spreads toward the center of the image.