The scientists next put the volunteers in a brain scanner and had them bid up to five dollars a time for food and other objects, such as baseball caps and T-shirts, that flashed up on a screen.

接下来，科学家们会对志愿者的大脑活动进行观测，让他们对闪现在屏幕上的食物和其他物品（例如棒球帽和T恤）进行5美元一次的出价。

youdao

The scientists next put the volunteers in a brain scanner and had them bid up to five dollars a time for food and other objects, such as baseball caps and T-shirts, that flashed up on a screen.

接下来，科学家们会对志愿者的大脑活动进行观测，让他们对闪现在屏幕上的食物和其他物品（例如棒球帽和T恤）进行5美元一次的出价。

youdao