| Before computed tomographic (CT) scans
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| | imaged the bony brain-case, but not the
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| became available in the 1970s, there was
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| | brain itself. We had arteriograms which
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| no good method for imaging the brain. The
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| | imaged the insides of blood-vessels
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| available methods and technologies struck
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| | supplying the brain. We had nuclear brain
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| around the target without quite hitting
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| | scans which imaged chunks of brain that
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| the bull's-eye.We had skull x-rays which
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| | were recently damaged.
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