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Real_Solitude -> RE: When does personhood begin? (4/15/2008 9:45:56 PM)
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quote:
ORIGINAL: called2valor The brain doesn't stop developing until the late teen years on average, so by your definition they are not a full person until then. Also, the brain begins to deteriorate in later life, so I guess we are less of a person then. If personhood has only to do with neurobiology or levels of human sentience, then all sorts of weirdness creeps in.quote:
Nope, because to me personhood is a binary, not an analogue. It's an off/on state. You are either a person, or not a person. You can't be half a person. The second you get your first neuron, your pattern beings, and so you have become a person. quote:
If we try to put a qualitative aspect to what it means to be a person, we are also saying what it means to be a full human being. Eugenics movements have started because of that kind of thinking. If I kill a baby before it is 4 weeks old, does that mean I killed a non-person? If I take a Black&Decker drill and drill 50 holes in your head and for some strange reason you aren't the same as you were before, but instead just stare and drool a lot, are you no longer a person?quote:
Again, it's a binary thing. You are either a person, or not. I don't really care about humanity or not, I care about sentient societies. If we found an alien race that was sentient, they would also be a society populated by persons. If someone is born with less mental capacity than an ape, they are still given personhood because they are part of a population of persons. Basically, if you're part of a sentient species, the second you gain your first neuron, you are a person. If you destroy a blastocyst, you have destroyed tissue, not a person. You may have destroyed the 'potential' of a person, but no actual person was involved. With modern technology, we can create people from skin cells. If you scratch your nose, you have just destroyed thousands of 'potential' persons, but no actual persons. As far as brain-dead goes, I'm not sure. If there is no neural activity, and no hope of regeneration, I would tend to say that there is not a person there, but just tissue. quote:
Once fertilization of a human ova with a human sperm begins we know the result is always a human being... the developing human may die somewhere in the process, or be born abnormal or be mostly like the average human being (but no two humans are exactly the same in any respect except general form). You don't have to be religious or a scientist to get this. It is plain logic. personhood has to begin with conception (no matter how you want to try and define it) or it is arbitrary. You're using a different definition of person than I am. When I use person, I use "a self-conscious or rational being." Humans are the only 'persons' we know of. This does not mean that person=human. So all humans are persons, but all persons are not human. If a computer were capable of sentient though, it would be a person. If a plant were capable of sentient thought, it would be a person. As far as we know, sentient thought is contained within the brain. Without this tool of sentient though, you are not a person. To be safe, I say that the second this tool starts forming, you have achieved personhood, even if you're not capable of rational though. Yes, this is subjective. But it is how I define person.
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