MadSci Network: Neuroscience |
Dear Pejman, thank you very much for your interesting question. I should point out that your question tends to be partly philosophical as opposed to a purely scientific inquiry, but I'll try to cover it from both perspectives. From a scientific point of view, we are still a long way off from truly understanding the human brain. Although our brains only weigh about three pounds, they contain billions of neurons and an even greater number of neural connections that makes the brain an extremely complicated organism. Compounding the problem is the fact that it very difficult to study how the brain functions while the subject is still alive. Despite new technology like PET scans, nMRI, CAT scans and the like, the brain is proving to be much more complicated that we had previously envisioned. Even if we were to overcome these difficulties the question becomes whether the brain undergoes some changes simply as a result of being studied. This is an interesting issue in the field of quantum mechanics, and in fact some people believe that at these levels of inquiry, the study of physics and consciousness merge. However, I'm afraid that at this point in time, I do not have an adequate answer for this question. Another dilemma that your question poses is that of individual differences. My own bias is that at some point in the future, we may be able to more accurately predict (or perhaps control) the behavior of large groups of people, but I do not think this will ever occur for individuals. Although the brains of humans are similar to each other, none of them are exactly alike, and therefore we will never to be able to totally predict what one individual will do at a certain point of time. Added to this complexity is the role of the environment which is constantly changing, and the role of evolution, which is constantly adapting to the environment. One of the newer areas of inquiry that is starting to look at these types of questions is chaos theory, and I have included some internet sites for you to pursue. A topic area that is related to your question and which raises comparable ethical and philosophical issues is genetic engineering. Almost everyone has sometimes wished they had a trait they that they lacked, such as being taller or having a different eye color. It's not out of the question to think that scientists might someday be able to create particular traits (including behavioral ones) through genetic manipulation. Scientists already are starting to cure diseases by inserting certain genes into human beings to fix the defective ones that cause abnormalities. Researchers have also genetically engineered mice, rats, and other animals in order to study illnesses: They have created fat rats to study diabetes and mice with the immune deficiency disease lupus in an effort to find treatments and cures for these disorders. This controversy heated up recently when the Fox Network debuted a show based on the premise that a secret military plot was creating children who were genetically enhanced to have super vision, astounding strength, catlike reflexes, and supernatural hearing. I believe we are much closer to accomplishing these types of changes as compared to fully understanding how our brains work. From a philosophical point of view, would we really want to live in a society where most or all "abnormalities" were cured or where most people acted or thought and perhaps even looked alike? This was the premise of the book "Brave New World", and if you have not already done so, I would highly recommend that you read this book. I personally believe that diversity is the spice of life and ultimately the key to our survival. If every man looked like Rock Hudson and every women looked like Marilyn Monroe, and further had the intelligence of Albert Einstein, what a terribly boring place earth would become! The following are internet sites that give information related to your question. http://hendrix.imm.dtu.dk/ http://www.sfn.org/ http://www.transhumanist.com/volume1/moravec.htm http://www.ex.ac.uk/~arcstuar/sci.htm http://www.zynet.co.uk/imprint/Tucson/Webauth.htm
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