Word: neuroscientists
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...there is much more capacity for response to brain injury than previously thought." The same conclusion has been reached by researchers who have regenerated nerve fibers in other parts of animals' brains as well as in their spinal cords. At Saint Elizabeths Hospital in Washington, D.C., for instance, Neuroscientist William Freed has treated rats with fetal cell implants to relieve symptoms resembling Parkinson's disease in humans. The implanted cells are capable of producing dopamine, a vital brain chemical lacking in the afflicted rats and in Parkinson's patients. Such techniques used with humans, some researchers believe...
Sagan, 42, occupant of a chair in astronomy at Cornell University, is not a neuroscientist. But he writes about the brain with uncommon sense and even humor. With many social critics, he recognizes that human intelligence is the main source of mankind's present crises. With Albert Schweitzer, he believes that "only a worldview which accomplishes all that rationalism did has a right to condemn rationalism...