如何双管齐下

Ashley Zappe, Megan H. Papesh
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引用次数: 0

摘要

当你看到某样东西时,你是如何知道它是什么的?看似你 "只是知道",但你的大脑会使用两种方法来帮助你知道你看到的是什么。一种方法叫做自下而上处理法。在这种方法中,大脑会利用眼睛看到的形状和颜色来判断事物是什么。另一种方法称为自上而下处理法,它利用经验、记忆或期望来确定您看到了什么。这些过程同时发生在大脑的不同部位。本文将解释大脑的自上而下和自下而上的期望是如何改变你所看到的东西的,我们还配有特殊的图片,让你可以亲自体验。
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How to See It Both Ways
When you see something, how do you figure out what it is? It might seem like you “just know”, but your brain uses two methods to help you know what you are seeing. One method is called bottom-up processing. In this method, the brain uses the shapes and colors seen by your eyes to figure out what something is. The other method is called top-down processing, which uses experiences, memories, or expectations to figure out what you are seeing. These processes happen at the same time in different parts of the brain. This article will explain how the brain’s top-down and bottom-up expectations can change what you see, and we include special pictures so you can experience it yourself.
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