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Using Brain Scans to Predict Future Test Performance
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장바울
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2012-10-03 05:30:16, 조회 : 1,975 |
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Using Brain Scans to Predict Future Test Performance
Will a brain scan reveal how well you’ve studied for a big test? Researchers at Sandia National Laboratory have demonstrated that the brain’s electrical activity, detectable via electroencephalogram (EEG), predicts how well studied material has been incorporated into memory, and, thus, how well subjects performed on memory tests.
The researchers asked 23 people to attempt to memorize a list of words while undergoing brain scanning. The average subject recalled 45% of the words on the list. The EEG data correctly predicted which five of the 23 subjects would beat the competition, remembering 72% of the words on average.
\"If you had someone learning new material and you were recording the EEG, you might be able to tell them, ‘You’re going to forget this, you should study this again,’ or tell them, ‘OK, you got it and go on to the next thing,’ \" chief researcher Laura Matzen said in a statement.
Matzen presented her findings at the Cognitive Neuroscience Society conference in Chicago. This second phase of research will determine the effectiveness of various types of research and training methods.
Source: Sandia National Laboratories
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