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Right vs. Left Brain


Right vs. Left Brain
Our brain, like many other parts of our anatomy, is made up of two halves, a left brain and a right brain. They are connected to each other by a thick cable of nerves at the base of each brain, called the corpus callosum. It is analogous to a cable or network connection between two incredibly fast and immensely powerful computers, each running a different program to process basically the same input. When Roger Sperry severed the corpus callosum in the sixties, which connected the left and right brains, he was stunned by the fact that his ‘split-brain’ patients behaved as if they had two minds and two persons in one body!
He found that the patient could name an object but could not explain what it was used for when the object was shown only to the right eye (the left ‘verbal’ brain processes data from the right visual field). When shown to the left eye (the right ‘non-verbal’ brain processes data from the left visual field), the patient could explain and demonstrate its use, but could not name it. Roger Sperry received the 1981 Nobel Prize for his work in this area. It appears that when a normal person names an object and explains its purpose, both halves or hemispheres of the brain, which are connected by the corpus callosum, participate in this final conclusion.

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