Word: callosum
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Dates: during 2005-2005
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SCIENTISTS HAVE BEEN LOOKING FOR SEX differences in the brain since they have been looking at the brain. Many bold decrees have been issued. In the 19th century, the corpus callosum, a bundle of nerve fibers that connects the two hemispheres of the brain, was considered key to intellectual development. Accordingly, it was said to have a greater surface area in men. Then, in the 1980s, we were told that no, it is larger in women--and that explains why the emotional right side of women's brains is more in touch with the analytical left side. Aha. That theory...
...string of children files into the National Institutes of Health outside Washington to have their brains scanned. Giedd and his team ease the kids through the MRI procedure, and then he gives them a brain tour of their pictures--gently pointing out the spinal cord and the corpus callosum, before offering them a copy to take to show-and-tell...