Hi there! I wanted to re-open a question that was posted a couple of years ago, by probing a bit further. This is what "Mario" asked [http://www.askphilosophers.org/question/1142]:
"Does the individual consciousness depend on the actual atoms or only on the configuration of the atoms? Suppose we have mastered cryo-freezing and atom-manipulation technology. We can freeze and unfreeze people at will. We freeze Sarah. We replace Sarah's atoms one by one. With all atoms replaced, we wake her up. Is it the "same" Sarah? (the same to herself, not just to us)."
I'd like to add that I recently heard that over a few years, every single cell in our bodies is replaced, except for a few memory cells that last much longer. But given during our lives, we WILL eventually be composed of different atoms to those with which we started, and that it is generally agreed that we nevertheless remain the same "people"/"consciousnesses" throughout, where does that leave us?
If it means that it must be structure/organization of...
The problem you are raising here is actually very nicely discussed in Derek Parfit's famous book Reasons and Persons (Part III). Parfit asks you to imagine tele-transportation, where your body is carefully scanned (and destroyed in the process), the data e-mailed to some destination, and a human being constructed at this destination who is an exact replica of you, including your memories and whim for hazelnut chocolate. You'd be scared to travel this way, but seeing that others do it safely all the time, you too do it and get used to it. Now one can ask whether the person getting out of the machine at the destination really is the same person as the one who walked into another machine at the departure point. As Allen Stairs wrote back then, something can be said for either answer. But there's a third thing one might say: once the story's been told, there is not further question to be answered. You can say what you like about sameness, the important thing is that you really have no serious reason...
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