Researchers at the Austrian Academy of Sciences used stem cells to grow “primitive human brain tissue.” The scientists intend to use the tissue to study the early development of organs and medical disorders. The tissue could provide a much more useful and informative way to conduct research on the human brain; formerly, scientists conducted such research using the brain tissue of mice. A mouse’s brain does not provide an adequate model for the study of the human brain because there are vast differences in the way the brains of the two species develop. In addition, the scientists suggested that the primitive human brain tissue will allow researchers to avoid some animal experimentation.
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