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On September 13, 1848, while using a tamping iron to pack explosive into a rock, Phineas Gage, a 25-year-old construction foreman, triggered an uncontrolled explosion that propelled the tool (which measured 3 ft 7 in. in length and 1.25 in. in diameter) through his left cheek and head. He regained consciousness within minutes and was immediately transported back to his boardinghouse while seated in a horse cart. Permanent personality changes and left-sided amaurosis of delayed onset were the long-term consequences. We generated three-dimensional computer reconstructions of the original skull from a thin-slice computed tomographic image (Video Clip 1) . . . [Full Text of this Article] |
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