Extraordinary footage exists of one patient who underwent such a corpus callosotomy, which shows the left side of the body physically attacking the right side. The left side of the body, which is controlled by the right hemisphere of the brain, does not have access to the language side of the brain, which is located in the left hemisphere, so was unable to articulate itself verbally. This frustration seems to have manifested itself in the attack. Eventually, the patient took drugs in order to suppress the right hemisphere and allow the articulate left hemisphere to dominate.
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