Question

Is it possible to do a brain transplant? Any success evidence?

Answer 1

The reason you would want to transplant a brain is because one person has a good mind but a useless body whereas another is brain dead but had a functional body.

The problem is that severed nerves in the Central Nervous System do not reconnect, so the detached brain would not get any sensory input. Since sensory input is necessary for maintaining cortical tone, this drastic loss would lead to a total deterioration of function.

In addition, tissue rejection would probably kill whatever didn't die already.

However, assuming that the useless body does not have a progressive disease, but is paralyzed, more likely, technology would be directed toward creating an avatar. The trapped person would be able to control a robotic creature which can do things for him.

Such a device is already being tried with monkeys- where the brain waves of an animal are recorded first, when the animal moves its own hand. Then, a robotic arm is programmed to recognize that brain pattern and to move in the same way whenever the monkey sends the same command.

Another approach to paralysis, is the Israeli technology, ReWalk in which a paraplegic person can wear an exoskeleton which enables him to walk, climb stairs etc.

Answer 2

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Theoretically, a person with advanced organ failure could be given a new and functional body while keeping their own personality, memories, and consciousness through such a procedure. No human brain transplant has ever been conducted.

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Hope it helps... ¯\_(ツ)_/¯