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Researchers at the University of Delaware have a good guess. They have done studies that show the brain is always extending the boundaries of what it sees-- adding in made-up information along the edges.
特拉华大学的研究人员有个很好的猜想。他们所做的研究表明，大脑总是人为扩充我们的视野范围——添加一些虚构的信息。
This process is called "boundary extension," and it seems to be going on all the time. Say you're looking at a brick wall. You really only see a small section of it, but your visual processing system essentially says, "I can assume that beyond my visual fieldon either side are more red bricks, so for now I'll just add them in until I get better information."
此过程称为“边界扩展”，而且一直进行着。假设你盯着一堵砖墙。你只是看到了一小部分，但你的视觉处理系统会告诉你，“我视线之外的一边会有更多的红砖头，那么我就会一直给自己输入这种信息直到我真的看到那一边为止。”
That process of constantly extrapolating on what you see may be what allows you to experience a calm and consistent visual world, even though the actual data coming in is much more fragmented.
不断推断所看到的事物的过程可能会让你体验到静、一致的视觉世界，即使事实上你接收到的信息是碎片式的。
