Friday, October 11, 2013

Does Size Matter When it Comes to Your Corpus Callosum?

By: Melissa Healy
October 10, 2013
la times.com
"Einstein's Brain a Wonder of Connectedness"

       Is it the size of your corpus callosum that determines how smart you are or do other aspects of your brain also play a role in making you a genius? This old age question was somewhat answered when researchers at the University of Princeton discovered that Albert Einstein had a colossal corpus callosum. The corpus callosum is a network of neural fibers that extends from behind the forehead to the nape of the neck and connects the left hemisphere of the brain to the right. The primary function of the corpus callosum is to carry electrical signals between the brain’s right and left hemispheres. The thicker a person’s corpus callosum is, the more creative they are. Einstein’s corpus callosum was thicker in many sub regions of his brain than a typical young healthy male. When Einstein died, his family gave permission for the removal of his brain for further scientific studies. What they did not know was the great discovery of how his brain functioned. Princeton University took many photographs and documented different aspects of the physicist’s brain. The photographs show  Einstein’s corpus callosum with great accuracy, which led to the determination of how well his corpus callosum  communicated with the parietal, temporal, and occipital lobes. Earlier studies of Einstein’s brain show that his parietal lobes were bigger than those of normal people. Most authors write that different parts of his brain were better connected than an average man his age. Further studies also show that Einstein’s genius was not entirely due to his colossal corpus callosum. Instead, Einstein used some parts of his brain more than a regular person. This included his critical thinking and critical reasoning areas.  This is quite encouraging news for people that have a thin corpus callosum because they can compensate by constantly exercising different parts of their brain to keep their brains active and alert.

 

 

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