Faustus5 wrote: ↑December 15th, 2021, 4:30 pm
Well, I can't say that anything you wrote here is wrong, I'd just emphasize that consciousness is not as big a mystery as folks like to make it out to be, and at least at a high level in outline, we already understand the general mechanisms responsible for it.
You may call it an article of faith, but I see no plausible and scientifically fruitful ontological alternative to
central-state materialism (reductive materialism)—the view that all mental/experiential states are states of central nervous systems, and that they do
not contain any properties (qualities) of a nonphysicochemical or physicochemically irreducible kind.
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Central-State Materialism
The Causal Theory of mind sets up a scientific task: to find what in a man is causally responsible for those facets of his behavior which are "expressions" of mental conditions. When that task is complete we will have a full doctrine of what a mind is, and not just a causal schema which mentions some cause or other but does not fully specify it.
It is now universally accepted that in this connection the brain and its appendages are the bodily parts which matter most. If any bodily part is the thing whose events and processes are causes of behavior, the central nervous system is that thing. Central-State Materialism thus affirms the Causal Theory of mind and adds that behavior can be completely explained in terms of events in the central nervous system. The mind, the cause of behavior, turns out to be the brain.
One more step is required to reach Central-State Materialism. This step insists that the nervous system has no properties of a non-physical kind. It insists that the only properties the nervous system has are the properties recognized in chemistry and physics, together with their derivatives. Without this step the doctrine is not a materialism but a theory which accords to the brain two different sorts of attributes, non-material as well as material ones. Such a view is compatible with the Causal Theory of mind whether or not the nonmaterial properties are described in terms of their part in the causation of behavior. If they are, they would be mental properties of the mind. If they are not, they would belong to the mind but not be mental properties, like having a temperature of 98.4°F.
Central-State Materialism is thus the most uncompromisingly economical version of the Causal Theory of mind. It identifies the cause of behavior as a purely material object, the central nervous system as conceived in neurophysiology.
Central State-Materialism does not, like Behaviorism, deny that the mind is a thing. But it does deny that the mind is a spiritual thing. ...More fully, the answer concerning the relation of mind to body is: the mind is part of the body. It is a special part, the part which controls behavior. That is, it is the part which governs the movement of the limbs under the influence both of its own states (e.g., purposes) and of sensorily gained information concerning the body's environment and attitude. The part which does this is the brain, whose connections are chiefly with sense organs, which affect it, and muscles and glands, which it affects.
Thus the Mind-Body problem resolves into one of scientific detail. In precisely what changes does the brain play a part, and what part does it play? Neurophysiology is the science which will furnish the full account of the relation of mind to body. The relation of mind to matter is already settled: a mind is a special arrangement of matter in an organism, which is another special arrangement of matter. It is not some different non-material sort of thing standing in mysterious relation to the matter which makes up living bodies.
Just as there is no specially philosophical problem of the relation of a bus to its engine, and no special Boat-Rudder problem or Pump-Refrigerator problem in philosophy, so there is no special Mind-Body problem beyond the scientific one of the causal interplay of elements in a system. Considered as a solution to the traditional problem of mind and body, Central-State Materialism is highly satisfactory."
(Campbell, Keith.
Body and Mind. 2nd ed. Notre Dame, IN: University of Notre Dame Press, 1984. pp. 86-9)
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Note that Campbell himself doesn't subscribe to central-state materialism but to what he calls central-state materialism
plus = CSM + physically irreducible
epiphenomenal qualia.
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"The account given of awareness by phenomenal properties is the only point where the new Epiphenomenalism diverges from Central-State Materialism. Perhaps the new Epiphenomenalism could be called Central-State Materialism Plus."
(Campbell, Keith.
Body and Mind. 2nd ed. Notre Dame, IN: University of Notre Dame Press, 1984. p. 125)
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"In 1970 Keith Campbell proposed a New Epiphenomenalism, which combines aspects of epiphenomenalism with the view that mental states are brain states. Frank Jackson later defended a similar view. Where classical epiphenomenalism asserts that mental states are non-physical and causally inert, the new epiphenomenalism asserts that mental states are causally potent physical states of the brain, but that in addition to their physical properties some of these states possess phenomenal properties or qualia which are non-physical and non-causal."
("Epiphenomenalism," by Keith Campbell and Nicholas J. J. Smith. In
The Routledge Encyclopedia of Philosophy, Vol. 3, pp. 351-4)
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