5 Answers

  1. It is not enough just to “transplant” the brain, which in itself is not clear how to do, plus it will be rejected by the immune system. It is necessary to properly sew all the nerves that connect the brain to different parts of the body. It is generally unclear how to do this, it is possible that it is fundamentally impossible.

    If your brain is magically transplanted into another person, your consciousness will “wake up” there, it will be a slightly different person, but just as different as a slightly different person wakes up every time after a dream or loss of consciousness. And the old one disappears.

    At the same time, since there will be a new body, there will be a lot of new experience in the most basic sensations, and in the future, say, the first month, the person (consciousness) will change rapidly every morning. Subjectively, the continuity of the individual will be felt, but from the outside it will seem that the person has changed a lot in a month, his relatives will not recognize him.

    If the nerves are sewn “approximately” and use some super-technologies so that the brain itself sprouts new nerves after the “transplant”. It turns out that the first month after the transplant, you will experience a very specific experience of learning basic movements, akin to the experience of a newborn. This experience will have an even more dramatic impact on the individual.

    We can say that in reality, the “brain transplant” will end only with the end of germination and training, and by that time there will be a different personality. But it is just as different as a person who is rehabilitating after a stroke, or who has learned to use a cyber prosthesis after amputation of the arm.

  2. Since our personality is also largely influenced by biochemistry, we can expect some changes in personality after such a transplant. A person can still feel like the same person, but be more aggressive/calm, for example.

  3. I don't think you'll notice the difference.

    There is an experiment where the brain is placed in a special liquid, and the illusion of reality is created. But that's all in theory. You can find it on Wikipedia.

    By the way. In the modified carbon, there was a moment about the transfer of consciousness to another body.

  4. Actually, the “I” is just the nervous system and is. Even more specifically, the brain. In the spinal cord, only the conducting pathways, the peripheral neural network also does not participate in thinking. So yes, self-awareness should not be disturbed. But a change of body is a change of appearance, proportions, internal organs work differently. The perception of the (physical) world is somewhat different, because the senses have changed (maybe you were nearsighted, and the new body is farsighted). How all this will ultimately affect – xs. You can only guess and, most likely, it will be very individual.

  5. The nervous system seems to be a necessary link between the mind and the body with a two-way connection. And if the brain and spinal cord completely restore all functions in the new body (even mechanical, or bio-mechanical), the consciousness will feel it as its own. About the influence of the body on consciousness, we still do not know anything for sure, only fantastic hypotheses, such as the theory of Prof. Tatiana Chernigovskaya (mathematics can do anything!). (this is my opinion, I'm not going to argue.)

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