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|Metzinger II 65
Brain/Bieri: e.g. suppose there is a tour guide through our brain, who explains everything to us during a visit.
"It is a principle of nature that, when certain processes take place here, the human feels certain things".
Bieri: that is not our problem, we do not doubt that there are laws and necessities. What we do not understand is why they exist. We cannot see what makes it necessary in the brain for the human being to experience something.
The tour guide asks, what do you want to know? (a) why a particular happening here just brings about this experience, or (b) why there is an experience at all?
Bieri: the two questions are the same problem!
Brain/consciousness/Bieri: our guide could give us a detailed circuit diagram of the brain. "Functional architecture". "They could also be realized with a different material". (Turing machine).
There is no more inner connection between the function and the quality of experience than between material structure and quality of experience.
Tour guide: "one must not look at the brain in isolation from the body"
Bieri: then one could say VsLeibniz:
1. the happening in the "factory" gets a cognitive content in that it is legally connected to events outside, which represents it by virtue of this connection
2. by the fact that the event in question assists the whole human being in a situation-appropriate behavior.
But: our problem is not meaning, not cognitive content, but experience content!
Metzinger II 71
Brain/Consciousness/Experience/Bieri: cannot we be satisfied with what we have: covariance, dependency, determination?
No, if we do not reach the questionable understanding, then we do not understand how our experience can be causally effective in our behavior, so we do not understand our own subject-being.
The physiological process is causally complete. There is no place in the clockwork where episodes of experience would be necessary for it to continue.
That is, there is a complete causal explanation for everything that takes place in our brain, in which we as subjects and humans do not occur at all!
Therefore, consciousness seems to be of no importance to any causation. It could just as well be missing, and we would stumble through the world just as we do.
((s) We need to recognize the consciousness on something else).
Our whole behavior could be alienated. This cannot be excluded because of the causal completeness.
Causation/Bieri: If we build it purely physiologically, we know how to continue it, that is, always becoming smaller.
This is not possible, however, when the explanation begins with an experience. Then we have to change somewhere on the physiological level. But then we have changed the subject!
Brain/Bieri: the problem is not that we do not see something in the "factory". From this one could conclude that it is caused by something else ...
Vs: but nothing else is conceivable! But that is precisely the hypothesis that we cannot think otherwise. We cannot disprove this hypothesis.
But it would sound adventurous that the facts which are relevant for the experience have nothing to do with the facts which are otherwise relevant for the functioning of the brain.
We have considered:
Understanding the whole from parts._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution.
Analytische Philosophie des Geistes Weinheim 2007
Th. Metzinger (Hrsg.)
Bewusstsein Paderborn 1996