The researchers took all 20 people into a room.They asked them whether they had stolen 20 dollars and then recorded their answers with a standard polygraph test(标准测谎仪)and the new camera.

　　The camera caught six out of eight liars as they were lying—the same lie-detecting ability as the polygraph test.The camera also correctly identified 11 of the 12 people who were telling the truth—a slightly better rate than the polygraph.

　　“The study is so small that it can’t be used as proof of the camera’s ability to catch a thief or a liar”，Levine says.Still，he is hopeful that the camera is recording a flushing of the face that may occur when someone lies.

　　The flushing may not be caught by human eyes，but the camera shows a bright red-orange-yellow zone that represents blood rushing to the eyes.“When someone lies，you get a warming around the eyes，”he says.Levine speculates that people who lie are afraid of getting caught.That fear leads to an immediate response to run away.Blood goes to the eyes so that the liar can more easily find a way to escape.

　　Levine says it may take years before the camera would be ready for a test at a large

　　U．S.airport.

　　1．What does the new liar-detector record when it works？(no more than 10 words)

　　________________________________________________________________________

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