A virtual avatar representing the user's body in VR can have pros and cons.

在VR中代表用户的身体的虚拟化身可以说是有利有弊。

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When their back was stroked with a pen so was the virtual avatar in front of them, making them think that the virtual body was in fact their own.

当用钢笔戳他们的背时，他们面前的化身也会受到同样作用，这让他们以为化身就是自己的身体。

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Instead of tapping his volunteers, Dr Blanke stroked them with a paintbrush while, at the same time, the computer "stroked" the avatar with a virtual brush.

布兰科博士并没有轻敲他的志愿者们，而是用油漆刷触摸着他们；与此同时，电脑也用虚拟油漆刷触摸着人形化身。

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Facebook credits are virtual currency that can be spent on virtual goods (virtual farmland, outfits for your avatar, virtual food, treasure, new abilities, etc.) within apps and social games played on Facebook, like FrontierVille and Farmville.

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Shaker is a Facebook app for people to interact and meet in an avatar virtual world.

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Savill, who represents himself in the virtual world using an avatar named Dave Sparrow, said one benefit is that visitors can practice social interaction and find information about the condition.

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