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Show the human brain waslargely extrapolated from monkeys,” says Larry Squire,a seniorscientist at the San Diego Veterans Affairs Medical Center. Computer technology has provided new windows into the humanbrain. Functional magnetic resonance imaging (fMRI),forinstance, detects changesin the amountof oxygenthat neuronsuse andcreates highresolution imagesofthe brain in action. The mostrecent refinement, called Diffusion Tensor Weighted Imaging,can track neuronal connections from one part ofthe brain to another—thatis,it can follow the Schizophrenia: Close-up ofthe troubled brain route a perception, thoughtorfeeling takesasit travels through the brain. And advancesin molecular biology—suchas genesplicing techniques to study DNA—haveprovided insightinto the workingsofindividualbrain cells. “It’s hard to understand any machineunless you can tweak it or take out a part and see what happens,”says Steve Heinemannofthe Salk Institute for Biological Studies . “We'll need a century, maybe evena millennium,to figure out howthe brain really works,”says Dr. Hyman oftheNational Institute of Mental Health. “But wecan do lot with what we have to treat some ofthe most devastatingofall illnesses.” IE There's only one thing more comfortable than the newJDEARFOAMS127 slippers. CHIZOPHRENIA, THE MOST CHRONIC and disabling brain disease, may be to neuroscience what cancer is into the world. Only one in five recovers completely; one in 10 eventually commits suicide. “As researchers, our Holy Grail has always been to understand the basic biology of schizophrenia,” says Dr. Daniel Weinberger, chief of the clinical = brain disorders branch of je the National Institute of (DEARFOAMS' 127 slippers, nowon sale at $11.99. The ventricles of the twin with schizophrenia (top) are larger. make one schizophrenic. They confer risk, not tate.” Introducing Dearfoams 127 slippers, the newest sensation in comfort, designed to caress your feet in total luxury. They're available in a variety of sensational colors at all fine department stores The 1990s have ushered in a new generation of DELI? tea syle of Deerfasms® slippers with 4 mgted rail pres of $18.00. PARADE MAGATINE NOVEMBER 21, 1990 PAGE (3 |