Idle Minds and What They May Say about Intelligence
source: http://www.scientificamerican.com/article.cfm?id=idle-minds-intelligence
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For many years now, neuroscientists have been telling the subjects of experiments something like this: “Please lie in the MRI scanner and relax. When you see the task instructions come onto the screen in front of you, do your best.” The researcher would then use the brain’s activity during the “lie there and relax” period as a mere control condition; the object of scientific interest was always what “lights up” when a subject reads, makes financial decisions or performs some other task.
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