Split-brain patients are living proof of our many different minds. When the corpus callosum is cut, the multiple selves are suddenly free to be themselves. The brain stops suppressing its internal inconsistencies. One patient reading a book with his left hemisphere found that his right hemisphere, being illiterate, was extremely bored by the letters on the page. The right hemisphere commanded the left hand to throw the book away. Another patient put on his clothes with his left hand while his right hand busily took them off. A different patient had a left hand that was rude to his wife. Only
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