PyramidHead
Contributor
To me, it seems like it's a case of 'not being able to tell the difference' rather than there being no difference.
For example, imagine, using one of his thought experiments, that a body is fully connected up simultaneously to two brains, one of which is registering 'yellow' and the other 'blue'. What does the 'I' in that case experience, red? Blue? green? It doesn't matter, even if the 'I' still feels like 'I' is registering...... whatever colour, because it's perspectival. There are in that case two different brains registering two different colours. An 'I' just can't tell the difference.
That's only if you are continuing to think of yourself as a single stream of integrated consciousness. If so, then you don't actually agree with the statement in red from before.
In the scenario where I could have seen a non-blue bead, the inference is reasonable that it is improbable that I have not seen a bead from the blue urn.
But from another perspective, namely that of someone who was guaranteed to be shown a person with a blue bead, your inference would not be the right one to make. Earlier, you said that you disagreed with Zuboff's probability argument because you felt that your personal perspective was fooling you into thinking something was improbable, when an external perspective would be the more 'objective' one. Here, you seem to be saying that your first-person inference is reasonable.
And there is no such thing as an 'objective pov'. All probability depends on perspective and conscious observation filtered through a background of prior knowledge. There are no privileged perspectives in an absolute sense, so the point of hypothesis testing is to find the explanation that relaxes improbability from the most perspectives possible. Otherwise, everything that happens has a 100% chance of occurring from God's perspective so there can be no valid inferences about probability whatsoever. That means no science.
Sure, but I am adopting the 'objective pov' possibility hypothetically, as (I think) he is (or 'objective individuation').
Or, if 'objective pov' is the wrong term, it doesn't seem to matter in any case, because it's not so much about an "objective pov" as it is about there being (we assume) a reality out there that does not depend on a subjective perspective of it. We might call this objective reality. Whether or not there's an objective pov from which to view it is arguably a slightly separate matter.
There is no need to interpret what I am saying as denying an objective reality. The fact is that we simply don't know everything about it, so to test hypotheses we must pit them against each other and pick the one that explains our current observation in the least strained, least improbable way.
I think Zuboff is, essentially, positing some version or other of existence monism, the idea that there is but one 'thing' and every 'thing' which seems distinct is, actually, just a token for (version of) the 'one thing'. This could be taken to apply, objectively, to bananas as much as to (apparently illusory) subjective/perspectival sensations such as 'self'. This, to me (and many others) would be implausible (even before we went as far as Zuboff might have to, and end up saying that one banana is all bananas or even that one banana is all things).
It is also not entirely unplatonic, in the sense that Plato suggested that there is a 'perfect form' (or perfect forms in his slightly different case) of, well, everything, existing in a perfect realm.
Or, less controversially, we could say that Zuboff is putting forward some kind of holism, a 'Gaia' hypothesis for, well, ultimately the universe. Everything.
It's closer to the first suggestion (and definitely not the second), but it's not really a metaphysical statement about all things, just conscious things, and which of them is you. He does not posit any causal relationship between conscious beings anymore than he is positing a causal relationship between the two brain hemispheres in his little thought experiment. The entire point is that causal relationships are irrelevant to determining what is you.
At any rate, in my hypothetical scenario of being connected up to a 'yellow experiencing' brain and a 'blue experiencing' one, my perspective appears to let me down, no matter what colour I experience, because there are, objectively, two distinct, otherwise unconnected (except when temporarily connected to my body) brains, one presumably experiencing yellow and the other blue, and my perspective of the situation is just that, my perspective, what it 'seems' to me (objectively incorrectly).
If you had experienced either blue or yellow in succession, both experiences would have been yours, so separation in time does not seem to disqualify an experience from being yours. Space is just another dimension like time. If you are shown blue and then yellow, while you are seeing yellow you have no connection to the direct experience of blue you just experienced. Your memory tells you it was yours because it had the required immediacy and subjective quality. Yet, if your brain were connected to another one which had just experienced blue, you would be making the same determination; connections are connections. There is nothing special about connections within a single brain that makes them more identity-preserving than hypothetical connections between brains.
Zuboff's alternative scenario, about two halves of a brain experiencing on the one hand working and on the other listening to a concert, does not seem to get around this, because again the assumption is that the two halves are afterwards as simultaneously connected as the blue and yellow brain are to my body in my scenario. There then follows (hypothetically) an integrated subjective (arguably in many ways illusory in any case) experience of 'me-ness' which incorporates both. But that is not enough to say "I am my next door neighbour" who went to the concert while I worked. It just means that if his brain (or a duplicate of it) and mine were subsequently merged, mine would experience a certain (mistaken, subjective and illusory) sensation of some mixed sort, and possibly call it 'me', because that's what my brain likes to try to do, to integrate my experiences, in order to better navigate the world. Or for some other reason that has meant I have developed a self.
So, it is your contention that if you were to temporarily split your brain in the way Zuboff described, you would either experience the concert or the studying, but not both. I have some questions.
1. If one hemisphere were disabled because of e.g. a stroke, you would have still experienced the other hemisphere's corresponding content, and this would be true regardless of which hemisphere were disabled; why, then, would the presence "across the way" of an intact hemisphere, physically isolated in all the relevant ways, now cause you to be present in only one of them?
2. What mechanism could possibly determine what kind of experience you have? In other words: if you had all of the facts about brain biology and neurology, what information would allow you to correctly anticipate hearing the lecture or the concert following the split?
3. You say that the re-connected brain would give you the mistaken impression that both experiences belonged to you, but this is illusory (as would be the case of your neighbor's brain connected to yours). What is the essential difference between the impression you are calling mistaken and the ordinary impression of calling whatever experience you had last week yours? In both cases, does it not depend solely on the recollection that they were immediate and first-person? How could the same reasoning be accurate in the second case and not the first?
I'm all for this, but I think Zuboff's particular route to justifying it is leaky, unfortunately, not least because of (a) his arguments about probability, taken separately from (b) his 'duplicate brain' scenarios, and (c) his distinctions between subjective and objective individuation. I have problems with all three of those.
That's fine, you don't have to agree with them. But it's disingenuous to suggest that Zuboff is positing anything mystical or wants us to be nice to each other just because. He structures his arguments in such a way that to reject their conclusions always seems to imply accepting conclusions that are either contradictory or unsatisfactory at addressing the problem. And it's my opinion that his view is the one that is most grounded in science and modern physics, because (a) it leaves no immaterial selves that have to be assigned to 'haunt' particular conscious beings, (b) it relegates conscious experience to the same perspective-dependent and non-absolute place that Copernicus and Einstein relegated the earth's position and the present moment, respectively, and (c) like all good hypotheses, it relieves an otherwise strained probability from all angles, not just relieving it for some while others remain strained.