Do hemispherectomies prove that consciousness does not reside just in the brain?
Doctors are removing half of the brains of people suffering chronic seizures to cure the patient!
The patient retains their full faculties and personality.
Between 1985 and 1997, there were 20 hemispherectomies. Plasticity of the brain vs rigidly localized does not infer that there must be a spirit consciousness. Although you gut has as many neurons as a cat's brain. Cat's can't talk, but we all know that 'gut feeling' that we can't vocalize.
"Retired FBI profiler Mary E. O’Toole who co-wrote the book, 'Dangerous Instincts: How Gut Instincts Betray Us', who said that gut instincts can put us in dangerous situations by trusting somebody that should not be trusted. Bundy said that the Green River Killer was trusted by his victims because he did not fit the profile" - http://hub.me/adTsn
"In the book “Who's in Charge?”, author Michael Gazzaniga says that our brain's parallel processing is like a committee, there is no head honcho. Unlike in the movie “The Matrix”, there is no Architect - only the Interpreter. Our brains are a convention of contending delegates from which our self identity emerges greater that the sum of individual parts." - http://hub.me/a63En
"… Each hemisphere in P. S. has a sense of self, and each possesses its own system for subjectively evaluating current events, planning for future events, setting response priorities, and generating personal responses" - http://www.uncommondescent.com/intellig … -part-two/
Do hemispherectomies prove? No.
The fact is, different areas of the brain serve different functions. In order to prove the hypothesis posed by the question, neuroscience would have to map consciousness to a specific area of the brain and then demonstrate that removal/damage to that area would alter consciousness. Consciousness has not been mapped to a physical, biochemical brain function and remains "mysterious." (See Free Will by Sam Harris).
* they still have most of the brain left
* those with severe seizures tended to have brain functions move from malfunctioning tissue to other tissue so what was removed wasn't as important
* even with the diseased tissue removed, they aren't at 100% functioning compared to the average person
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