With a "Wearable" PET Scanner, Two Realms of Brain Science Merge

 By David Zax, Fast Company

Brain scanning techniques, like MRI and PET, have opened new provinces of neuroscience. It's nearly impossible to read an article about the brain without seeing the familiar heat maps featuring which parts of the brain "light up" during a given task. But there's a certain fundamental problem with brain scanning. Brain scans are supposed to tell us about how our brain normally behaves--but is there anything normal about lying under a giant machine scanning our brains?

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Photo courtesy of Flickr Creative Commons.


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