Nick said:I can't see that this has anything to do with it personally. That an phenomena can be made to be split in half through a physical act does not demonstrate that it arises physically. Even in conditions such a Multiple Personality Disorder there is nothing to suggest that any of the experienced senses of selfhood are actually real.
PM said:Uh, Nick, by the nature of selfhood, if it is experienced, it is real.
Hi PM,
According to systemic interpretation, that is correct. However, I feel it's necessary to point out that systemic analysis proceeds from the position that what is present, what is experienced, is real. It is somewhat of a loaded dice here.
PM said:Why don't you simply find a medical condition or a brain lesion that can be made where there is no sense of personal selfhood, where this sense is removed? I think this would be great proof that the experience of personal identity arises from the structure of the brain.
PM said:You have been presented with multiple conditions that drastically alter the way we experience personal identity - even one that creates new identities - and you ignore them all. What difference would this hypothetical condition make, and why?
Actually, as far as I'm aware, you've presented a couple of cases, corpus callosum agenesis and alien hand syndrome. In both it can be that individual limbs appear to have a mind, or agenda, of their own and the degree of conscious control over the limb seems diminished. They are interesting here, but in both it seems that there is no question in the mind that the limb does belong to the individual. It is simply that some of its behaviour appears to be being governed by a part of the brain which, through injury, has become somewhat disassociated from the whole.
I am stating that there is a much better way to substantiate that the experience of having a personal identity is physical in origin. That is to find an instance where a condition or cut in the brain's anatomy removes the experience of personal identity whilst leaving all other functions intact. You ask why. It's because this most replicates the scenario proposed.
Nick