Mind uploading won't lead to immortality
Uploading the content of one's mind, including one's personality, memories and emotions, into a computer may one day be possible, but it won't transfer our biological consciousness and won't make us immortal.Uploading one's mind into a computer, a concept popularized by the 2014 movie Transcendence starring Johnny Depp, is likely to become at least partially possible, but won't lead to immortality. Major objections have been raised regarding the feasibility of mind uploading. Even if we could surpass every technical obstacle and successfully copy the totality of one's mind, emotions, memories, personality and intellect into a machine, that would be just that: a copy, which itself can be copied again and again on various computers.
Uploading memory, if realized one day, will be the easy part. The functionality and complexity of a brain is just astronomical. We have 100 billion neurons with 100 trillion connections between neurons, and these are not random connections, the connections are well organized and this precise placement of neurons and architecture of all connections is what makes us humans. Manute variations of brain architecture make us all individual and a little different.
Now try to program this computer with our memories, according to this 100 trillion connections, so it reads our uploaded memories and behaves accordingly the way we would. We should mention that even if this is accomplished in a thousand years we still are missing emotional part of human. We just don't really know how we would start building a computer that feels something. We don't even know how is it that we feel. We know the technical part except the creation of feelings.
And even if in the far future all of this is accomplished there is no chance, no guarantee that one can exist forever, as Maciamo voiced in this article.
Anyway, at the end of a day it will be much easier and cheaper to clone a new copy of our brain and download memories and experiences. Even though it wouldn't be exact copy, at least it would be a functional facsimile.
The best mind transplant would happen when teleport is invented. Teleport can recreate every atom, neuron, connection plus fix our DNA to young again status. We would just "wake" up in our new brain, and whole new body to live another 100 years. This is if teleport is ever invented. Probably the only way to recreate true you. The Star Trek way.
Some people think that mind uploading necessarily requires to leave one's biological body. But there is no conscensus about that. Uploading means copying. When a file is uploaded on the Internet, it doesn't get deleted at the source. It's just a copy
Yes, it is basically all copying. The twist is that your copy would be conscious too. You as copy would think that you are the original you. Probably you would argue with your copy who is the real you. The only solution would be to kill one of you to get singular continuity.
The best analogy to understand that is cloning. Identical twins are an example of human clones that already live among us. Identical twins share the same DNA, yet nobody would argue that they also share a single consciousness.
Sort of, the twins are not 100% identical. They have various mutations picked up during cell divisions, plus mistakes in methylation therefore gene expressions. And of course they have different life experiences and memories will make them unique too.
If the conscious self doesn't leave the biologically body (i.e. "die") when transferring mind and consciousness, it would basically mean that that individual would feel in two places at the same time: in the biological body and in the computer.
Ture. Our consciousness is attached to physical state of our brain. Cannot be disattached and it will die together with our physical brain.
At best we could hope to living for several hundreds or thousands years, assuming that nothing kills us before.
There is probably a limit how long people would want to live. After few hundred of years everybody would be bored to death (pun intended), experienced almost everything and seeing same things over and over again. At least grand majority of people.
However there is no evidence that consciousness or self-awareness are merely information that can be transferred since consciousness cannot be divided in two or many parts.
Probably it can. There is 7 billion conscious people on this planet. Technically divided or rather copied consciousness can exist, but it won't be the exactly original one.
Consciousness is most likely tied to neurons in a certain part of the brain (which may well include the thalamus). These neurons are maintained throughtout life, from birth to death, without being regenerated like other cells in the body, which explains the experienced feeling of continuity
Actually there are stem cells in our brain and they turn into new brain cells through our life, although in much slower process than in rest of the body. Our consciousness (the I) is slowly changing through life too. It has the true beginning in first at conception and through first couple of years of our life, then evolves slowly till our death. Every night we go to bed, during our sleep our brain runs our day memories, prunes not important and solidifies the once we might need, by pruning and building new neuronal connections. We wake up in the morning (boot up our brain) and we are not exactly the same person we went to bed last night. Every morning our consciousness is a little different.