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published Dec 09, 2006 04:52   by admin ( last modified Dec 09, 2006 04:52 )
Brain scans of a 23-year-old woman who, in a traffic accident, sustained head injuries so severe she met the clinical criteria for a vegetative state are forcing many doctors to reconsider what they know about such patients' awareness. In the experiment the woman was instructed to imagine playing tennis or walking around her house for 30 seconds when given the cues "tennis" or "house." Her brain activity proved identical to that of healthy subjects, suggesting that she carried out the commands.


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