What's on the screen are computer generated faces of a Caucasian male and a Caucasian female who don't exist in the real world.

屏幕上面的这些是电脑生成的,一个高加索男性和一个高加索女性的面孔,他们在现实世界中并不存在

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Now both groups viewed computer images of faces and had to identify the emotions they saw.

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Researchers then conducted a behavioral test in which participants separately breathed the "exercise" sweat and the skydiving "stress" sweat while judging the emotions conveyed in pictures of faces on a computer screen.

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At tables scattered across the cafeteria of the Shepard Broad Law Center, students have their faces buried in computer screens as they access a variety of applications over the law school's wireless LAN.

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