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Inattentional Blindness Can Make You Not Perceive Events
確定你有親眼目睹嗎?

It happened in 1995. Boston cop Kenny Conley was pursuing a suspect and ran right past other cops beating a man. Conley later testified that he never saw the beating. He was convicted of perjury and obstruction of justice, and sentenced to 34 months in prison.
這件事發(fā)生在1995年。當(dāng)時(shí)波士頓警官肯尼·康利在追捕一名嫌犯的過程中剛好經(jīng)過其他警官毆打一個(gè)男人的現(xiàn)場(chǎng)。之后證實(shí)康利確實(shí)沒有看到這次毆打。于是他被定罪為偽證罪和妨礙司法公正罪，同時(shí)判處34個(gè)月有期徒刑。

But did he tell the truth that he saw nothing? Very possibly, says a study in the journal i-Perception.
但是他真的什么都沒有看見嗎？《i-Perception》期刊上的一項(xiàng)研究顯示，這其實(shí)是很有可能的。

Researchers had individuals "chase" a "runner" for on a college campus at night. The subjects followed the runner at a distance?of 30 feet and had to count the number of times he touched his head. Each chase passed a staged fight designed to look like?the scene Conley rushed by: two actors staged a beatdown on a third man, with kicking, punching and yelling.
研究人員讓受試人員在晚上的一個(gè)校園里“追捕”一個(gè)“逃犯”。受試人員與逃犯有30英尺的距離，而且需要計(jì)算他碰觸了多少次他的腦袋。每次追捕都會(huì)經(jīng)過一個(gè)事先排演的打斗現(xiàn)場(chǎng)，正如康利所經(jīng)過的一樣：兩名演員用殺威棒“拳打腳踢”第三名演員，并伴有喊聲。

And two-thirds of the subjects did not recall seeing the fake fight. Even when repeated during the day, only 60 percent saw the beating.
然而，有三分之二的受試人員并沒有發(fā)現(xiàn)這個(gè)假的打斗現(xiàn)場(chǎng)。即使是在白天重演這一幕，也僅有60&的人注意到打斗。

Such a gap in perception is called inattentional blindness. It occurs when increased demands on one's attention decrease the ability to notice something unexpected. And a dangerous consequence is that we don’t believe we miss as much as we actually do.
這種感知空隙被稱為“無意視盲”。當(dāng)我們將注意力都集中在我們的需求上時(shí)，就會(huì)減弱感知到其他意外事物的能力，這時(shí)就會(huì)產(chǎn)生“無意視盲”。而這樣一個(gè)危險(xiǎn)后果就是我們不會(huì)相信我們錯(cuò)過了什么，即使那是事實(shí)。

—Christie Nicholson

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