I just went out and I won and then like 'Ahhh.'" Another Jamaican,Kerron Stewart, just missed catching Fraser at the tape and finished with the silver medal, 2/100ths of a second back.

VOA: standard.2009.08.18

And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.

实验者回到实验室，带着录音设备,随机地,他加速了心跳的录音,然后又慢下来。

耶鲁公开课 - 心理学导论课程节选