The participants were shown photographs twice while their brain activity was monitored. During the first showing, participants' brains were more active, as if the images really were brand new. Clear

Question: In a unique experiment, Harvard scientists used brain scanning to test whether or not people can see into the future, an idea known as precognition. Brain scanning had already shown that when people view images they've seen before, their brains are less active than when they view images for the first time. Thus, they hypothesized that people's brains would be less active when presented with new images if they had somehow predicted that they would see these images in the future. To test this, participants were shown photographs twice while their brain activity was monitored. During the first showing, participants' brains were more active, as if the images really were brand new. Clearly, the participants could not see into the future! Select the three details that are included in the text.