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Monocular rivalry is a phenomenon of human visual perception that occurs when two different images are optically superimposed. During prolonged viewing, one image becomes clearer than the other for a few moments, then the other image becomes clearer than the first for a few moments. These alternations in clarity continue at random for as long as one looks. Occasionally one image will become exclusively visible and the other image invisible.

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  • Monocular rivalry is a phenomenon of human visual perception that occurs when two different images are optically superimposed. During prolonged viewing, one image becomes clearer than the other for a few moments, then the other image becomes clearer than the first for a few moments. These alternations in clarity continue at random for as long as one looks. Occasionally one image will become exclusively visible and the other image invisible. In the demonstration, one image is a green grating and the other is a red grating. During prolonged inspection, the viewer can see the green grating as clearer than the red grating for a few moments, then the reverse. Occasionally the green grating will be all that is visible and occasionally the red grating will be all that is visible. Occasionally, at transitions, one will briefly see irregular composites of the two gratings (such as the red and green gratings superimposed but with one or two bars of the green grating invisible). Monocular rivalry is easier to see when the component stimuli are of opposite colors, but it also occurs when the component stimuli have the same colors. As long as the two component stimuli differ spatiotemporally in some way, such as orientation (as shown), spatial frequency, or direction of movement, monocular rivalry can be seen. (en)
  • 单眼竞争是当两张不同的图像出现光学叠加时就会引起的人类视知觉效应的一种现象。在长时间的观看可以引起单眼竞争的图片后,其中一张图像会交替的比另一张看起来更清晰。一张图清晰的时长是随机的,而偶尔也会有一张图异常清晰而另一张看似消失了。 在图例中,一张图像是绿色光栅而另一张是红色的。长时间的注视后,观看者会发现绿色光栅有时会比红色光栅更清晰,有时则反之。有时却只能看到绿色光栅而看不到红色光栅。在交错处观察者有时可以看见两条光栅不规则地复合起来(此时光栅叠加起来,特定的一两条光栅消失了) (zh)
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  • 单眼竞争是当两张不同的图像出现光学叠加时就会引起的人类视知觉效应的一种现象。在长时间的观看可以引起单眼竞争的图片后,其中一张图像会交替的比另一张看起来更清晰。一张图清晰的时长是随机的,而偶尔也会有一张图异常清晰而另一张看似消失了。 在图例中,一张图像是绿色光栅而另一张是红色的。长时间的注视后,观看者会发现绿色光栅有时会比红色光栅更清晰,有时则反之。有时却只能看到绿色光栅而看不到红色光栅。在交错处观察者有时可以看见两条光栅不规则地复合起来(此时光栅叠加起来,特定的一两条光栅消失了) (zh)
  • Monocular rivalry is a phenomenon of human visual perception that occurs when two different images are optically superimposed. During prolonged viewing, one image becomes clearer than the other for a few moments, then the other image becomes clearer than the first for a few moments. These alternations in clarity continue at random for as long as one looks. Occasionally one image will become exclusively visible and the other image invisible. (en)
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  • Monocular rivalry (en)
  • 单眼竞争 (zh)
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