![]() ![]() Due to the complete split, Peek had the ability to simultaneously read both pages of an open book, and also retain the information he read. When sent for an MRI scan, it revealed that he did not possess a corpus callosum, an anterior commissure, or a hippocampal commissure. Another example of the rare split personality disorder is Kim peek. At one point, Gazzinga and Sperry questioned the boy on what he would like to be when he grew up, and his right side answered “an automobile racer” while his left side responded “a draftsman”. The researchers could then ask each side of his brain a a question. Gazzinga and Sperry had a child participant, named Paul, who had a fully functional language center in both the left and the right hemispheres of his brain. In split personality, the left hemisphere will give orders that reflect the patient’s rational goals, while the right hemisphere issues conflicting demands that actually reveal the patient’s hidden desires. Th right hemisphere controls the left hand and foot, and the left hemisphere controls the person’s ability to make rational decisions. They found that in these patients the right hemisphere acts independently of the left hemisphere. They found that several of the patients who had undergone a calloscotomy in completion suffered from the split brain syndrome. These two men were the first to study split brains in humans, and what they found was revolutionary. ![]() This surgery can also result in split personality, which is also extremely intriguing.Īfter doing more research on split brain syndrome, I found the study by Michael Gazzinga and Roger W. People who have had this operation, however, are still able to learn in both hemispheres of the brain, but each hemisphere is independent, meaning that the other has no idea what it’s counterpart has learned or experienced. This can result in split brain syndrome, which strongly reflects the separation of the hemispheres by showing changes in behavior and agency. This surgery results in the inability of the two hemispheres to exchange information as efficiently as they once had. I have known quite a few people with epilepsy, but I guess they didn’t have epileptic seizures bad enough to warrant this surgery. Epilepsy is caused by excessive signaling of nerve cells. This surgery is a way to alleviate epileptic seizures, and that’s why it interests me so much. The corpus callosum is the main bond between the left and right hemispheres of the brain. Split brain surgery, which is also called corpus calloscotomy, is the severing of the corpus callosum. In some sense Kim was a natural born split-brain patient.Ever since I read about split brain surgery, it has intrigued me to the fullest extent. An MRI scan revealed an absence of the corpus callosum, the anterior commissure and the hippocampal commissure, the parts of the neurological system that transfer information between hemispheres. The main cause of his remarkable abilities seems to have been the lack of connections between his brain’s two hemispheres. Though he was strongly introverted, he did not have difficulties with social understanding and communication. Unlike many individuals with savant syndrome, Kim Peek was not afflicted with autistic spectrum disorder. He could also do calendar calculations (“which day was June 15, 1632?”) and remember old baseball scores and a vast amount of musical, historical and political facts. He could provide driving directions between almost any two cities in the world. Because he could quickly absorb loads of information and recall it when necessary, his condition made him a living encyclopedia and a walking GPS. He could read a thick book in an hour and remember just about anything in it. Since he spent most of his days in the library with his dad, he quickly made it through thousands of books, encyclopedia and maps. He would retain 98 percent of the information he read. His reading comprehension was impressive. This style of reading continued until his dead in 2009. He could read both pages of an open book at once, one page with one eye and the other with the other eye. Kim Peek’s special abilities started early, around the age of a year and a half. A savant is an individual who-with little or no apparent effort-completes intellectual tasks that would be impossible for ordinary people to master. Kim Peek, who lent inspiration to the fictional character Raymond Babbitt-played by Dustin Hoffman-in the movie Rain Man, was a remarkable savant.
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