Study: Attention Different from Awareness
Paying attention to something and being aware of it seem like the same thing -they both involve somehow knowing the thing is there. However, a new study, which will be published in an upcoming issue of Psychological Science, a journal of the Association for Psychological Science, finds that these are actually separate; your brain can pay attention to something without you being aware that it’s there.
“We wanted to ask, can things attract your attention even when you don’t see them at all?” says Po-Jang Hsieh, of Duke-NUS Graduate Medical School in Singapore and MIT. He co-wrote the study with Jaron T. Colas and Nancy Kanwisher of MIT. Usually, when people pay attention to something, they also become aware of it; in fact, many psychologists assume these two concepts are inextricably linked. But more evidence has suggested that’s not the case.
To test this, Hsieh and his colleagues came up with an experiment that used the phenomenon called “visual pop-out.” They set each participant up with a display that showed a different video to each eye. One eye was shown colorful, shifting patterns; all awareness went to that eye, because that’s the way the brain works. The other eye was shown a pattern of shapes that didn’t move. Most were green, but one was red. Then subjects were tested to see what part of the screen their attention had gone to. The researchers found that people’s attention went to that red shape — even though they had no idea they’d seen it at all.
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