Gary Small, M.D., remembers the patient well. An accomplished mathematician in his early 70s, the man consulted Small after struggling with calculations, and after his wife noticed he was getting cranky. Small, director of the UCLA Center on Aging, put the mathematician through a battery of tests—and the man got top scores on all of them, including 30 out of 30 on a memory test and a whopping 140 on his IQ test. So when Small saw the patient's brain scan, he was stunned: it had all the markings of full-blown Alzheimer's disease. … Back to Article
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