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What happens to your consciousness when the brain is split in two? by josephd

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· @josephd · (edited)
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What happens to your consciousness when the brain is split in two?
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<p><img src="https://kenanmalik.files.wordpress.com/2013/02/brain1.jpg" width="490" height="336"/></p>
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<blockquote>&nbsp;The corpus callosum is the single major pathway between the right and left hemispheres of the brain. &nbsp;Sometimes, a doctor will sever a patient's corpus callosum as a last &nbsp;resort to treat epileptic seizures. This is an effective treatment: some &nbsp;seizures are the result of interhemispheric electrical brainstorms; &nbsp;cutting the callosum localizes such storms to only one hemisphere, &nbsp;making them far less severe or even in some cases entirely unnoticeable &nbsp;to the subject<br>
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&nbsp;Side effects &nbsp;of this procedure? Preventing or inhibiting communication between the &nbsp;two hemispheres seems bound to end in catastrophe. As it turns out, &nbsp;there are almost no side effects: patients who have undergone a corpus &nbsp;callosotomy continue living normal lives with few, if any, noticeable &nbsp;changes to their behavior. But certain experiments can bring out &nbsp;behavior in 'split-brain' patients that can be described only as 'bizzare.'</blockquote>
<blockquote>Here's one: The experimenter maintains a normal conversation with the subject for a duration while monitoring the subject's brain &nbsp;activity. The experimenter observes that the subject's right hemisphere &nbsp;sustained two seizures during the conversation. Since the left &nbsp;hemisphere is responsible for language processing and speech, the &nbsp;subject's linguistic facility was unaffected by the seziures. At the end &nbsp;of the conversation, the experimenter asks the subject "How many &nbsp;seizures did you experience during our conversation?" Although the &nbsp;subject verbally reports being aware of no seizures whatsoever, the &nbsp;subject raises his left hand and holds up two fingers. The explanation, &nbsp;of course, is that the right brain controls the left side of the body. &nbsp;"</blockquote>
<p>Is what you call "I" the only you residing in your body? is the &nbsp;consciousness still unified &nbsp;or is it disunified into two? &nbsp;or perhaps &nbsp;something in between with minimal communication between the two hemispheres &nbsp;which are competing for dominance over each other ?</p>
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<p>source - &nbsp;<a href="https://www.reddit.com/r/philosophy/comments/pwlwi/brain_bisection_and_its_philosophical_implications/">https://www.reddit.com/r/philosophy/comments/pwlwi/brain_bisection_and_its_philosophical_implications/</a>&nbsp;</p>
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