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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.
特拉華大學的研究人員有個很好的猜想。他們所做的研究表明，大腦總是人為擴充我們的視野范圍——添加一些虛構的信息。
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."
此過程稱為“邊界擴展”，而且一直進行著。假設你盯著一堵磚墻。你只是看到了一小部分，但你的視覺處理系統會告訴你，“我視線之外的一邊會有更多的紅磚頭，那么我就會一直給自己輸入這種信息直到我真的看到那一邊為止。”
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.
不斷推斷所看到的事物的過程可能會讓你體驗到靜、一致的視覺世界，即使事實上你接收到的信息是碎片式的。
