The source of this myth may be that the corpus callosum does account for a significantly greater percentage of the total white matter in women (2.4 percent in females versus 2.2 percent in males). This fact just might mean that women are able to process the two types of thoughts (emotional and analytical) between the two hemispheres of the brain a lot faster than men. If the greater distribution of total fatty myelin, or white matter, in the female corpus callosum does account for speedier neurological transmission between the brain hemispheres, this may explain why men are often dumbfounded
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