Harnessing the Power of Video Games

A growing number of video games are being designed with health-related applications. Now, commercial publishers are getting in on the action

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A stopwatch and a tub of frigid ice water are the standard tools medical researchers use to test pain tolerance. How long can a person keep his arm submerged? In an unusual project, last year researchers at the University of Maryland's medical center used the arm-in-ice water test to evaluate a new video game called Free Dive.

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