"With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20," Ericsson recalls.

“对于第一个实验对象，经过大约20小时的训练，他的数字跨度从7上升到20。”爱立信回忆道。

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Ericsson grew up in Sweden and studied nuclear engineering until he realized he would have more opportunity to conduct his own research if he switched to psychology.

埃里克森在瑞典长大，一直学习核工程，直到他意识到如果转向心理学，他会有更多的机会进行自己的研究。

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Ericsson and his colleagues have thus taken to studying expert performers in a wide range of pursuits, including soccer.

因此，Ericsson 和他的同事开始研究包括足球界在内的众多领域中的佼佼者。

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Another stock he likes is Ulticom, which sells switching software to Ericsson, Siemens and Comverse Technology.

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The company will only say that there was a spike in demand from a particular company in Sweden, an obvious reference to Ericsson, which as it happens also posted strong results on Wednesday.

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Or in a cell phone, for that matter, which is one of the reasons that major cell phone makers from Nokia to Ericsson recently decided to support another stripped-down operating system--this one from London-based Psion--as a standard for wireless computing.

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