Dr. Warwick Peacock was on Christiaan Barnard's original heart-transplant team in South Africa, but he eventually found heart transplants too routine to present sufficient challenge. In 1986 he came to ucla Medical Center to pioneer new techniques in brain surgery. Last May he faced an unusual challenge: a six-year-old girl suffering epileptic seizures so severe and unremitting that they could be relieved only by removal of part of her brain. First her brain was mapped by a positron-emission tomography scanner, a machine invented at ucla; then those readings were matched against others provided by a more conventional mri scan.
The girl...
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