Mind-body problem-Chomsky/Nagel

  • Thread starter bohm2
  • Start date
In summary, according to Chomsky, the mind-body problem can't be solved because there is no clear way to state it. The problem of the relation of mind to matter will remain unsolved.
  • #36
Maui said:
Appeals to authority are a known fallacy. I have yet to see a model of what consciousness might be, proposed by neuroscientists that is not based on inferences from mentally ill people with severe disorders.

Do you see the problem with your statements here? You're dismissing apeiron calling you out on your ignorance, but then you use your ignorance as a defense. Frankly, you're speculating wildly:

Attention and consciousness: two distinct brain processes
Christof Koch and Naotsugu Tsuchiya
Trends in Cognitive Sciences
Volume 11, Issue 1, January 2007, Pages 16-22

A free energy principle for the brain.
Friston K, Kilner J, Harrison L.
J Physiol Paris. 2006 Jul-Sep;100(1-3):70-87.

The brainweb: Phase synchronization and large-scale integration
Francisco Varela, Jean-Philippe Lachaux, Eugenio Rodriguez & Jacques Martinerie
Nature Reviews Neuroscience 2, 229-239 (April 2001)

Further, if you had at least some authority in the subject, you'd recognize what a powerful tool lesion studies are. If you make topology changes to a network and you monitor the resulting functional manipulations, you can begin to build an understanding of how brain structure and dynamics relates to brain function. If there were no ethical concerns, this is exactly what we'd do.

Unfortunately for progress in science (but fortunately for humanity) there are large ethical concerns (in fact, in the lab, we have to decerebrate vertebrates before we can connect them to the electrodes so that they don't experience pain) so instead of carving up humans to do the studies, we wait for nature to carve them up (change network topology) or alter network parameters (such as genetic diseases and foreign molecules can cause).
 
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  • #37
Pythagorean said:
Do you see the problem with your statements here? You're dismissing apeiron calling you out on your ignorance, but then you use your ignorance as a defense. Frankly, you're speculating wildly:

Attention and consciousness: two distinct brain processes
Christof Koch and Naotsugu Tsuchiya
Trends in Cognitive Sciences
Volume 11, Issue 1, January 2007, Pages 16-22



I took a look at the first paper and the pages you listed say:


"On the other hand, one might hold the view that the conscious process of attending to
something consists in attending to something while being aware of yourself attending to that thing. According to this second idea consciously attending to something is in part
different from simply attending to something because in the case where attention is
conscious we are aware of our own attending."




Also:

"How could one explicate the non-attributive aspect of the phenomenology of
attention? I believe that there are two plausible candidates. On the one hand, on can say
that the conscious process of attending to something is a particular mode of being
conscious of something with its own sui generis phenomenology. Just like being visually
conscious of, say, a certain shape and being tactily conscious of that shape might be
different modes of being conscious of that shape, being attentively conscious of something
would be again another mode of being conscious."




This is somehow evidence that consciousness and especially self-awareness are understood? Or even close to being undestood? This is somehow NOT speculation and what i said(that self-awareness isn't understood) is speculation? Really??




Further, if you had at least some authority in the subject, you'd recognize what a powerful tool lesion studies are.



You didn't read what i had said and you are responding to things i never said or implied. I never said that mental disorders didn't represent an oportunity for developing a host of practical applications on medicine. On the contrary, i said the opposite! So yes, big surpirze!, brain lesions are a powerful tool, as you say. Now explain to me how the predominant view in neuroscience(brain is/will be enough to explain everything, because brain is most likely all that exists) can explain awareness.

If you make topology changes to a network and you monitor the resulting functional manipulations, you can begin to build an understanding of how brain structure and dynamics relates to brain function.




Excuse me, we are still talking about consciousness, the process of being conscious and self-aware. Did you see the thread title? If you know or have a suggestion how the brain architecture relates or might relate to consciousness, please share this with us. The paper you quoted didn't have that information, hence my comment about awareness being a very BIG unknown stays unchallenged.



Unfortunately for progress in science (but fortunately for humanity) there are large ethical concerns (in fact, in the lab, we have to decerebrate vertebrates before we can connect them to the electrodes so that they don't experience pain) so instead of carving up humans to do the studies, we wait for nature to carve them up (change network topology) or alter network parameters (such as genetic diseases and foreign molecules can cause).


Show me HOW these studies will help us understand subjective conscious experience, logic, thought, aerodynamics, space-flight or intelligence. I don't wish to repeat myself that claims like "we are not really conscious", "conscious experience isn't quite real and what the average Joe thinks it is" is pseudo-science. Science that fails to explain the obvious, is pseudo-science. What you have been reading AS science in that paper you linked to, especially the quoted bits above, is quite obviously philosophy. So if you insist that you or your preferred authors are authorities, at least be consciously aware(you can) that you can't be an authority in philosophy(philosophy doesn't usually deal with empirical tests, and when there are, they usually have even larger philosophical implications). And really, this isn't much different than situation with the interpretations of quantum theory, which on its own, can't explain the world we observe. Imagine someone having a very strong opinion on a preffered interpretation stating his philosophy as somehow being authoritive(i have been witness to this and it often didn't end well)
 
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  • #38
Q_Goest said:
I think that’s where you’re getting to regarding the “http://sussex.academia.edu/TomMcCle...sis_A_Hybrid_Account_of_Phenomenal_Qualities"”, that this new physical description of nature must somehow describe the properties of our mental experiences. I’ve heard that suggested before but don’t see any way that could be done given how much we know about physical interactions today. Seems to me we’ve already painted ourselves into the proverbial corner by the way we’ve conceived of what is physical.

It might be the case that our physical theories no matter how much they advance will never be able to accommodate experiential phenomena because of our own cognitive limitations. And yet we know more about the experiential than anything else. Furthermore, it is the experiential that supplies all the evidence for our measurements and for the laws of physics.

On the other hand, it’s quite possible (as some authors above argue) that what may appear as “radical/brute” emergence at present (mental events from brains) will be seen as “ordinary” emergence in the future as our conception of matter progresses. But, the argument put forth by many of the authors above is that there is no hint whatsoever (and I agree) of that happening within our present conceptions of matter. What is claimed is that the reduction base including core physics isn’t there yet. So it’s like going back to the 1800s and trying to reduce chemical laws to the physical (Newtonian) laws of that time. There was an explanatory gap between chemistry and physics and this gap never was filled because the physics was wrong. Unification (not reduction) of chemistry and physics occurred after the physics was changed (e.g. via quantum mechanics). So as the argument goes, the same thing is happening now. We are trying to unify the mental aspects of the world with our current conceptions of physical (the brain) and we can’t because our understanding of the latter as a physical system may be misconceived.

How do we get planetory orbits from mechanical/contact mechanics? We don't. Therefore we give up the mechanical philosophy. As Newton did with a lot of hesitation...What Newton held to be so great an absurdity that no philosophical thinker could light upon it, is prized by posterity as Newton's great discovery of the harmony of the universe." (Lange, the History of Materialism)

So how do we get a mental event from the brain? Maybe we can't because we don't know the right stuff about the brain as a physical system. That's the basic argument.
 
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  • #39
Maui,

Theory is not Philosophy.

You've (not surprisingly) moved the goal post. Both Friston and Varela provide empirically testable models, you responded with the loaded word "understand". Did you willfully ignore the empirical claims in these papers? Really? And then you took such a long time to reply with nothing?

In Varela's case, he refers to sychrony. Here's a paper from ten years ago to outline the experimental end of that. So not only is this scientific theory, it is scientific theory with valid evidence supporting it:

Transient Interhemispheric Neuronal Synchrony Correlates with Object Recognition
Tatsuya Mima, Tomi Oluwatimilehin, Taizo Hiraoka, and Mark Hallett
The Journal of Neuroscience, 1 June 2001, 21(11): 3942-3948

In fact, the synchronicity dynamics of subregions of the brain have a very meaningful resemblance to the internal state of the subject, you will find time and time again if you actually look through the scientific literature.

If you know how to follow citations (in both directions), you have a giant handful of papers in front of you to read before you ever speculate again. This abstract conveniently has links to get you started. I hope I really don't hear any more ignorant posts from you know that you have all the resources you need to not make ignorant posts. I openly enjoy criticism, but it actually has to be relevant to the current state of understanding:

http://neuro.cjb.net/content/21/11/3942.short
 
  • #40
Maui said:
This is somehow evidence that consciousness and especially self-awareness are understood? Or even close to being undestood? This is somehow NOT speculation and what i said(that self-awareness isn't understood) is speculation? Really??

On the contrary, the paper shows that "consciousness" is not some simple unitary state (that can therefore be the target of some simplisitic material theory) but a complex process.

A systems approach to hierarchical organisation says a process is an interaction between the bottom-up and the top-down. So "consciousness" arises as a mix of habits and attention in a complex, non unitary way. And in the lab, it is possible to start teasing out this fact.

So contrast the non-scientific view of mind (as some experiencing soul stuff) vs the scientific view (as a complex world model, based on anticipatory/hierarchical processing principles). It is pretty clear which should be the starting point in any philosophical debate these days.
 
  • #41
Pythagorean said:
Maui,

Theory is not Philosophy.



YOU linked a paper and the pages you highlighted were quite OBVIOUSLY full of philosophy. And i said that much.



You've (not surprisingly) moved the goal post. Both Friston and Varela provide empirically testable models, you responded with the loaded word "understand". Did you willfully ignore the empirical claims in these papers? Really? And then you took such a long time to reply with nothing?



I was out of town today and i replied the first time i got hold of my pc. I'd appreciate if you could highlight a specific part of a paper(like you did with the philosophy bit in "Attention and consciousness: two distinct brain processes") instead of throwing in papers. I don't expect you to evade my questions on consciousness further by providing links. If you understand the answers to the topic, provide answers in your own words.

In Varela's case, he refers to sychrony. Here's a paper from ten years ago to outline the experimental end of that. So not only is this scientific theory, it is scientific theory with valid evidence supporting it:

Transient Interhemispheric Neuronal Synchrony Correlates with Object Recognition
Tatsuya Mima, Tomi Oluwatimilehin, Taizo Hiraoka, and Mark Hallett
The Journal of Neuroscience, 1 June 2001, 21(11): 3942-3948


The abstract from the above paper reads:

"Conscious recognition of familiar objects spanning the visual midline induced transient interhemispheric electroencephalographic coherence in the α band, which did not occur with meaningless objects or with passive viewing. Moreover, there was no interhemispheric coherence when midline objects were not recognized as meaningful or when familiar objects were presented in one visual hemifield. These data suggest a close link between site-specific interregional synchronization and object recognition. "




Where in there did you see anything more than a correlation between regional brain synchronization and object recognition and where exactly did I say there didn't exist such?? I still see NO explanation of self-awareness. This proves what? Someone's philosophy is better?

In fact, the synchronicity dynamics of subregions of the brain have a very meaningful resemblance to the internal state of the subject, you will find time and time again if you actually look through the scientific literature.



What is an internal state of the subject? Could you please give specific answers to the questions I am asking, instead of pointing to tons of literature that obviously don't address the topic we are dealing with?




If you know how to follow citations (in both directions), you have a giant handful of papers in front of you to read before you ever speculate again. This abstract conveniently has links to get you started. I hope I really don't hear any more ignorant posts from you know that you have all the resources you need to not make ignorant posts. I openly enjoy criticism, but it actually has to be relevant to the current state of understanding:

http://neuro.cjb.net/content/21/11/3942.short



You have be aware of your own ignorance before you can make judgements. You are the one who speculates, and if you continue to do so, i may have to report you. My position is of course much much easier to defend(that consciousness and awareness are an unknown, unless you think consciousness doesn't exist), whereas yours hinges on some experiments, lots of personal interpretations and speculative theories. So answer this simple question:

Are we conscious? Are you?

(don't ask me to define what i mean by "being conscious", use the commonly agreed definition - being aware of oneself and the environment). If you fail to answer this question, i will copy/paste it till you do.
 
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  • #42
Once again, the papers are theoretical neuroscience papers, not philosophy papers. The difference is that theoretical statements are falsifiable (that doesn't always mean they're right, of course) while philosophical statements are not.

These papers all deal with models of awareness; "object recognition" is a specific awareness task. The internal states are reported by the human subject, or by known behavioral cues. Self-awareness is a particular type of awareness.

It is incorrect, what you say, that we are merely correlating structure with function. That is tip of the iceberg. The deeper, more complex part is the dynamics associated with internal events.

During the response onset, the striate–motor pattern changes (green lines) sharply, whereas it remains stable for the striate–parietal pair (red lines). b | Maps of significant coherence values after the stimulation, expressed as lines between recording sites, mapped onto the brain of one of the monkeys. Note the appreciable extent of large-scale interdependencies.

If you are asking, on the other hand, how matter can have a subjective experience (which is only a very small piece of the study of consciousness) that is still the hard problem, naturally! But you must realize that's a lot like asking "what causes the gravitational force to attract mass" or "what causes opposite charges to be attracted?".

We never answer these questions; we only find the mechanisms, which are more mechanisms, which we must the find the mechanisms for. We still don't have a mechanisms for entropy or conservation of energy. They're just laws that we accept.

So, to the end that we discover in all other fields of science, we are discovering consciousness every day.
 
  • #43
Pythagorean said:
If you are asking, on the other hand, how matter can have a subjective experience (which is only a very small piece of the study of consciousness) that is still the hard problem, naturally!

Yes, there are two ways now of looking at the hard problem. One of them is informed by the available science.

If your presumption is that consciousness must be explained as some very primitive material feature of reality, then there is a large explantory gap because it seems clear, from our current best theories of primitive material reality (ie: micro-physics) that you can't recognise anything like consciousness in those theories.

But if your presumption is instead that consciousness is an emergent aspect of systems complexity, then a huge amount of phenomenology is now explainable.

Of course there is a hard problem in that eventually any theory runs into the problem of self-referentiality and the lack of counterfactuals. A theory of the universe is the same. We can say what it is, but not why it is, unless we can imagine in some measurable way what it is not.

So "primary qualia" like the smell or redness of a rose is the kind of very reduced notion of experience that lacks counterfactuals and leaves us with an untheorisable explanatory residue. If we can't measure a difference, we can't build a model around it.

But again, this is a standard modelling hard problem. And with consciousness, the glass seems much nearer full than empty.

And more to the point, the problem is clearly epistemological rather than ontological. It is not that we don't understand material reality well enough and so need to keep searching for new physics. It is just that our models of reality have this kind of inbuilt epistemic limit. There is always going to be a residual explantory gap because of the way models must couple to measurements.

The textbooks can tell you in terms of neural architecture why you see red instead of blue. There is a measurable distinction to drive the models. But modelling runs out of steam when the choice is red and...red again...only ever red. And it is only "your" red, as we can't even contrast yours and mine to see if it is the same/different.

This is the obvious fact that supports the hard problem. At some point, it becomes impossible to measure a difference. So science must fail at that point.

But meanwhile, people actually interested in how the mind works can spend years just scratching the surface of what we already know.
 
  • #44
Hi Bohm,
bohm2 said:
So it’s like going back to the 1800s and trying to reduce chemical laws to the physical (Newtonian) laws of that time. There was an explanatory gap between chemistry and physics and this gap never was filled because the physics was wrong. Unification (not reduction) of chemistry and physics occurred after the physics was changed (e.g. via quantum mechanics). So as the argument goes, the same thing is happening now. We are trying to unify the mental aspects of the world with our current conceptions of physical (the brain) and we can’t because our understanding of the latter as a physical system may be misconceived.

How do we get planetory orbits from mechanical/contact mechanics? We don't. Therefore we give up the mechanical philosophy. As Newton did with a lot of hesitation...What Newton held to be so great an absurdity that no philosophical thinker could light upon it, is prized by posterity as Newton's great discovery of the harmony of the universe." (Lange, the History of Materialism)
The problem I see with all these examples/analogies is they regard objective phenomena. They regard how things interact. Similarly, we could say we don't have much of a clue how dark matter or dark energy work, but we know something needs an explanation because of the objectively observable phenomena - motions of galaxies, bending of light, etc...

As mentioned previously, I don't see how pinning down additional observable phenomena that occur within the brain will ever aid in explaining why subjective experiences should occur simply because we're not looking for an objectively observable phenomena. Knowing how and why every observable molecule in the brain does what it does says nothing about our subjective experience and never will because explaining interactions are the wrong kind of explanations to look for when explaining subjective phenomena. That will only ever work for objective phenomena.
 
  • #45
Q_Goest said:
Knowing how and why every observable molecule in the brain does what it does says nothing about our subjective experience and never will because explaining interactions are the wrong kind of explanations to look for when explaining subjective phenomena. That will only ever work for objective phenomena.

I can't see the grounds for your assertion here.

Compare these two statements.

1) You know everything about some collection of molecules - but they are just a collection of gunk in a glass jar.

2) You know everything about some collection of molecules - and they are arranged as a functioning brain.

Now what difference is there here apart from the fact that one collection lacks organisation and the other has a definite organisation?

So clearly, it is not about the substance but about the form. You need a theory that is about interactions and organisation to even be talking about what is relevant.

Where now is the a priori argument that a theory of neural organisation must fail?
 
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  • #46
I take issue with this too Q_Goest, mostly the extreme way in which you've worded it: "nothing". I don't mean to say functional neuroanatomy (and of course, neurodynamics!) tell you "everything" about subjective experience or will give you complete understanding, but do you really believe it tells you nothing about subjective experience?

Do you really think that the line you draw between what is objective and subjective is... well... objective?
 
  • #47
Q_Goest said:
As mentioned previously, I don't see how pinning down additional observable phenomena that occur within the brain will ever aid in explaining why subjective experiences should occur simply because we're not looking for an objectively observable phenomena. Knowing how and why every observable molecule in the brain does what it does says nothing about our subjective experience and never will because explaining interactions are the wrong kind of explanations to look for when explaining subjective phenomena. That will only ever work for objective phenomena.

I think Nagel made that same point where he wrote:

“If our idea of the physical ever expands to include mental phenomena, it will have to assign them an objective character-whether or not this is done by analyzing them in terms of other phenomena already regarded as physical.”

Chomsky responds:

“this argument presupposes some fixed notion of the ‘objective world’ which excludes subjective experience, but it is hard to see why we should pay any more attention to that notion, whatever it may be, than to one that excludes action at a distance or other exotic ideas that were regarded as unintelligible or ridiculous at earlier periods, even by outstanding scientists.”

Chomsky, in fact, does posit such mental objects/representations in his linguist theories.

Strawson who is a panpsychist makes this point even more bluntly:

Many philosophers think that there’s a major puzzle in the existence of experience. But the appearance of a puzzle arises only given an assumption there is no reason to make. This is the assumption that we know something about the intrinsic nature of the physical that gives us reason to think that it cannot itself be experiential. It’s not just that this assumption is false. There is in fact zero evidence for the existence of anything non-experiential in the universe. There never has been any evidence, and never will be. What we have instead is a wholly unsupported assumption about our capacity to know the nature of things (in particular the physical) which must be put severely in doubt by the fact that it seems to create this puzzle if by nothing else.

One of the most important—revelatory—experiences a philosopher brought up in the Western tradition can have is to realize that this assumption has no respectable foundation. This experience is life-changing, philosophically, but it comes only to some—although the point is elementary. The fact that physics has no terms specifically for experiential phenomena (I’m putting aside the view that reference to conscious observers is essential in quantum mechanics) is not evidence in support of the view that experience doesn’t exist. It isn’t even evidence in support of the view that something non-experiential exists.

Note that there’s no tension between the view that the physical is at bottom wholly experiential and the view that physics and cosmology, and indeed the other sciences—get a very great deal right about the structure of reality.

http://reading.academia.edu/GalenStrawson/Papers
 
  • #48
https://www.physicsforums.com/showpost.php?p=3259211&postcount=157" believes that the mind-body problem is nothing more than a "translation barrier" between the first and third person accounts. So he concludes that "if you can overcome them, the problems vanish". No, they don't, they just get deeper. If we want to unify what we refer to as "mental" and "physical" ("the world of qualia and the material world"), I don't see how we can do this in favor of the "physical". The problems that arise are that we either have to sacrifice the casual status of what we refer to as "mental" (the intentionality), or we have to throw away the "what-it-is-like" aspect (the phenomenal). If we want to keep both, we should change our understanding of what we refer to as "physical".
 
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  • #49
bohm2 said:
There is in fact zero evidence for the existence of anything non-experiential in the universe. There never has been any evidence, and never will be. What we have instead is a wholly unsupported assumption about our capacity to know the nature of things (in particular the physical) which must be put severely in doubt by the fact that it seems to create this puzzle if by nothing else.
http://reading.academia.edu/GalenStrawson/Papers

Strawson's argument here is that stones, mushrooms and glasses of water could be "experiential" and we can have no evidence to disprove that.

But you can see that this claim in turns depends on consciousness having no material consequences. If awareness had actual objective properties, it would give itself away when present in an inanimate object or material.

Now why should we believe this claim that consciousness is just naked experiencing and not intentional, dispositional or otherwise causal? Why should we believe its essence is passive and not active?

Well, it turns out even Strawson seems to doubt this part of his own story.

He says something extra is going on in humans (perhaps higher animals) to make consciousness now intentional, active, dispositional. There is something that it is like to be thinking and having ideas. Something that is over and above mere sensing/feeling (like a good philosopher, he justifies this distinction on the basis that it is "mutually exclusive and jointly exhaustive", LOL).

So now we have a way to tell humans from rocks. One of them has thoughts about doing things, experiential states that make an objective difference. Just try to meditate and still the mind and we can see how restless our thoughts make us.

Strawson allows this is a recent evolutionary advance. And it would likely be connected with "neural goings on".

So we have a new story where we claim to believe that all materials things may have sensing/feeling, but this is conveniently unobservable. And this "fact" about nature is so incredible that it should shake us of any belief we understand material reality at all. It is quite literally a revolutionary realisation.

But then, on the other hand, the very things that we might be quite sure to be conscious - such as humans and large brained vertebrates - have this second higher-order form of experiencing that Strawson calls cognitive. And this is conveniently observable as it leads to dispositions, intentions, actions.

So we now also have a crisp reason why humans and animals behave as if they are aware (...if not yet any explanation of why stones and mushrooms should lack cognitive experience, or why "neural goings on" are suddenly key to this second kind of experiencing without actually deserving credit for being the material basis of his distinction).

Well, talk about trying to have your cake and eat it. :zzz:
 
  • #50
apeiron said:
Now why should we believe this claim that consciousness is just naked experiencing and not intentional, dispositional or otherwise causal? Why should we believe its essence is passive and not active?...He says something extra is going on in humans (perhaps higher animals) to make consciousness now intentional, active, dispositional.

Well, I'm guessing he would argue that is just "emergence" on the experiential side?
 
  • #51
Q_Goest said:
Knowing how and why every observable molecule in the brain does what it does says nothing about our subjective experience and never will because explaining interactions are the wrong kind of explanations to look for when explaining subjective phenomena.


The idea is that our subjective experience is likely a not so necessary by-product(many in the field seem to think it may not exist at all). Today i looked in the morror and realized i had put on some weight. So I am already on a diet, because of this vain by-product(if it exists).

This is exactly an example of what i pointed out earlier - new theories bringing less knowledge and certainty about the world, and what it is that makes us who we are(when we behave intelligently). Now somebody is going to question if intelligence is really what we think it is.
 
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  • #52
bohm2 said:
Well, I'm guessing he would argue that is just "emergence" on the experiential side?

Yes, there would be three positions here I would suggest.

The materialist says mind is strongly emergent - and so weakly essential.

The panpsychist says mind is strongly essential, and weakly emergent.

A systems theorist says essences emerge. :smile:
 
  • #53
I find it interesting that apeiron still criticizes panpsychism when he has long cited C.S. Pierce as foundational for his views - and Peirce was a panpsychist. I've also argued, without adequate rebuttal, in previous threads that pansemiotism is equivalent to panpsychism is equivalent to panexperientialism.

Also, FYI, Strawson would not claim that a glass of water or rock was itself conscious. This is a sophomoric attempt to discredit panpsychism. Modern panpsychists generally hold that these objects are "mere aggregates" in that their constituents have some degree of consciousness but not the aggregate itself. It takes the right kind of organization/complexity/coherence to form a true individual and thus a unitary consciousness.
 
  • #54
FYI, I queried Chomsky about his position on the mind/body problem and he responded in his usual succinct manner:

"There’s some mention of Strawson’s panpsychism [in my recent paper], but don’t accept it.

I don’t really expect to write anything more on the “mind-body problem” until someone presents a coherent version of it."

I got excited when apeiron suggested that Chomsky had outed himself as a panpsychist but turns out this was too good to be true (for now).
 
  • #55
PhizzicsPhan said:
I find it interesting that apeiron still criticizes panpsychism when he has long cited C.S. Pierce as foundational for his views - and Peirce was a panpsychist. I've also argued, without adequate rebuttal, in previous threads that pansemiotism is equivalent to panpsychism is equivalent to panexperientialism.

Funny, I don't remember you winning that argument. :smile:

As I said, the semiotic view is also the systems' one - essences emerge.

Both panpsychism and reductive materialism are about a belief in essential properties. So it is a different metaphysical view to argue that reality has no essence (its origins are vague), and the essential then emerges from that.

PhizzicsPhan said:
Also, FYI, Strawson would not claim that a glass of water or rock was itself conscious. This is a sophomoric attempt to discredit panpsychism. Modern panpsychists generally hold that these objects are "mere aggregates" in that their constituents have some degree of consciousness but not the aggregate itself. It takes the right kind of organization/complexity/coherence to form a true individual and thus a unitary consciousness.

That's what I mean about having your cake and eat it. Organisation explains nothing, but then it also explains everything.

I mean, how are we to make sense of the idea that "there is something that it is like to be a rock" - except not actually for the rock? Somehow there is an experiential state - but the entity in question is not actually experiencing it.

Yes, panpsychism can construct an unfalsifiable hypothesis about reality. But that makes it unscientific.
 
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  • #56
In reading his stuff, I would guess Chomsky favours some type of emergence but such emergence won't make sense with current physics, I think. There are problems with panpsychism like the following:

1. The Combination Problem. Even if we grant that all elements of reality have some kind of mental, conscious aspect to them, how is it that some groups of such elements form higher level and unified states of consciousness? Isn’t this just the generation problem all over again?

2. The Unconscious Mentality Problem. It would be easier to believe in an all pervasive mentality if we didn’t have to swallow the extra implausibility of this being conscious mentality. But then the generation problem is back with full force. What is the secret ingredient that turns certain combinations (see the first problem) of utterly unconscious mental elements into complex states of consciousness? There seems to be no escape from the requirement that panpsychism posit some kind of ‘micro-consciousness’.

3. The Completeness Problem. The physical world view as presented by and in fundamental physics seems to be causally complete. But a truly irreducible, basic feature of the world ought to make a causal difference to the world. Thus panpsychism would seem to threaten a plausible doctrine of physical causal closure.

4. The No Sign Problem. There appears to be no direct evidence whatsoever that every element of reality has an associated mentalistic and in fact conscious aspect.

5. The Not-Mental Problem. Even supposing there was some evidence for a fundamental, non-physical property that pervaded the world and had some kind of causal influence upon events, why would we call it a mental property? (In particular, why not call it a new kind of physical property?)

See Chapter 9 of:

http://bearsite.info/General/Philos...f-Consciousness-an-Introduction-Routledge.pdf

I'm actually surprised that more panpsychists haven't looked closer at Bohm's quantum potential because there are quite a few elements/properties in it that would be very conducive to being interpreted as having proto-mental-type properties. But it's not clear if macroscopic coherence (like in SQUID) is possible for a system as large and as hot as the brain? Has anybody found any arguments/loopholes against Tegmark's stuff?
 
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  • #57
bohm2 said:
But it's not clear if macroscopic coherence (like in SQUID) is possible for a system as large and as hot as the brain? Has anybody found any arguments/loopholes against Tegmark's stuff?

Why do you say this is not clear when in fact the mainstream view is that it is an elementary fact of QM that the brain is too hot for largescale QM coherence?

Hameroff did argue back to Tegmark - http://www.quantumconsciousness.org/pdfs/decoherence.pdf [Broken]

But its still the view from the crackpot fringe. There is no evidence in his favour.
 
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  • #58
bohm2, Whitehead and Griffin have sketched an outline of a solution to the combination problem, referring to a dominant individual in each society of individuals. Whitehead's panpsychist/panexperiential philosophy can succinctly be summarized in his oft-repeated statement that "the many become one and are increased by one." But these thinkers' work in this area leaves many details to be explored and I have done so in my forthcoming paper in the Journal of Conscious Studies ("Kicking the Psychophysical Laws Into Gear: A New Approach to the Combination Problem.") Here's the abstract and feel free to email me for the full paper at tam dot hunt at gmail:

A new approach to the “hard problem” of consciousness, the eons-old mind/body problem, is proposed, inspired by Whitehead, Schopenhauer, Griffin and others. I define a “simple subject” as the fundamental unit of matter and of consciousness. Simple subjects are inherently experiential, albeit in a highly rudimentary manner compared to human consciousness. With this re-framing, the “physical” realm includes the “mental” realm; they are two aspects of the same thing, the outside and inside of each real thing. This view is known as panpsychism or panexperientialism and is in itself a partial solution to the hard problem. The secondary but more interesting question may be framed as: what is a “complex subject”? How do simple subjects combine to form complex subjects like bats and human beings? This is more generally known as the “combination problem” ” or the “boundary problem,” and is the key problem facing both materialist and panpsychist approaches to consciousness. I suggest a new approach for resolving this component of the hard problem, a “general theory of complex subjects” that includes “psychophysical laws” in the form of a simple mathematical framework. I present three steps for characterizing complex subjects, with the physical nature of time key to this new understanding. Time is viewed as fundamentally quantized. I also suggest, as a second-order conceptualization, that “information” and “experience” may be considered identical concepts and that there is no double-aspect to information. Rather, there is a single aspect to information and it is inherently experiential. Tononi’s, Chalmers’ and Freeman’s similar theories are compared and contrasted. Part 2 of this paper will propose an experimental research program for obtaining data to support or negate the asserted framework.

Also see this thread for more discussion with apeiron and others on these topics:

https://www.physicsforums.com/showthread.php?t=485718&highlight=conrad

As for Bohm, I have read much of his work and find it compelling. He refers frequently to Whitehead's work and Bohm was clearly a panpsychist even though he didn't apparently use this term. He stated in a 1986 article: “That which we experience as mind…will in a natural way ultimately reach the level of the wavefunction and of the ‘dance’ of the particles. There is no unbridgeable gap or barrier between any of these levels. … It is implied that, in some sense, a rudimentary consciousness is present even at the level of particle physics." And in 1990: "Every content is a form and every form is at the same time a content. Another way of saying that is that everything material is also mental and everything mental is also material, but there are many more infinitely subtle levels of matter than we are aware of."
 
  • #59
apeiron, I think you let the last thread trail off without much resolution :).

With respect to essences and emergence, the process philosophy version of panpsychism holds that there are no essences. All is process and this process is inherently experiential because each "actual entity" oscillates between subject and object. There is a hierarchy of emergence in terms of various levels of experience/consciousness but there is no qualitative emergence of experience/consciousness because it is there from the very beginning.

Again, a systems-focused ontology cannot explain consciousness even in principle unless it admits that some degree of consciousness exists in all the constituents that comprise the systems at issue. That is, unless one is fine positing miracles/magic - older names for radical emergence.

As for "something it is like to be a rock," I'm saying (with most of today's panpsychists) exactly the opposite: there is not something it is like to be a rock. That's my point by saying that the constituents of the rock have some degree of experience but not the rock itself because it lacks the right kind of organization/coherence. It seems that life is the process by which experience can compound above the molecular level on a sustained basis. Through evolution of cell-based life, it seems that the universe has learned how to bootstrap complexity through energy storage and dramatically enhanced communication channels. Mae-Wan Ho's work in this area is illuminating. It could be the case, though it is certainly up for debate, that the vast majority of matter in the universe is confined to extremely rudimentary consciousness because it can't bootstrap to higher levels through energy storage and enhanced communication channels.

As for falsifiability being the hallmark of a scientific theory, this is an overly narrow view that even Popper denied. Falsifiability is the gold standard of scientific theories, but it is not the only standard. Popper himself discussed criticizability as another standard and in philosophy the relevant standards are generally held to be adequacy to the facts and logical coherence.

Part 2 of my paper will explore these ideas in more detail.
 
  • #60
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  • #61
bohm2, seek Skrbina's great book, Panpsychism in the West for detailed responses to the critiques you list, but here's my quick response to each:

2. The Unconscious Mentality Problem. It would be easier to believe in an all pervasive mentality if we didn’t have to swallow the extra implausibility of this being conscious mentality. But then the generation problem is back with full force. What is the secret ingredient that turns certain combinations (see the first problem) of utterly unconscious mental elements into complex states of consciousness? There seems to be no escape from the requirement that panpsychism posit some kind of ‘micro-consciousness’.

There is no need to escape "micro-consciousness" as this is the very point of most versions of panpsychism: the world consists of micro-consciousnesses that occasionally combine into macro-consciousnesses. The "secret ingredient" is the right kind of organization/coherence, which may come about only in cell-based life (or non-cell-based life also perhaps).

3. The Completeness Problem. The physical world view as presented by and in fundamental physics seems to be causally complete. But a truly irreducible, basic feature of the world ought to make a causal difference to the world. Thus panpsychism would seem to threaten a plausible doctrine of physical causal closure.

Panpsychists generally make the lack of completeness and lack of causal closure a key point of their arguments. Emergence and epiphenomenalism often go hand in hand and this is a major argument against emergence/materialism.

4. The No Sign Problem. There appears to be no direct evidence whatsoever that every element of reality has an associated mentalistic and in fact conscious aspect.

To the contrary, there is abundant evidence of rudimentary mentality. Dyson describes explicitly how what we call random behavior in electrons is better described as choice. So where today's science so often posits chance as an explanation, panpsychists see free choice. Obviously, there is even more abundant evidence of mentality in the domains of life, from bats to bacteria.

5. The Not-Mental Problem. Even supposing there was some evidence for a fundamental, non-physical property that pervaded the world and had some kind of causal influence upon events, why would we call it a mental property? (In particular, why not call it a new kind of physical property?)

Because the point of the mind/body problem is a recognition that there is a fundamental difference between experience/feelings/consciousness and objective descriptions of matter. One is interiority, the other exteriority. Physics focuses currently entirely on exteriority. Tomorrow's physics will focus also on interiority by recognizing that every object is also a subject and vice versa.
 
  • #62
PhizzicsPhan said:
apeiron, I think you let the last thread trail off without much resolution :).

Yes, probably not unconnected with the fact that I went off on holiday for a few weeks at that point.

With respect to essences and emergence, the process philosophy version of panpsychism holds that there are no essences.

..which would seem to conflict with...

All is process and this process is inherently experiential because each "actual entity" oscillates between subject and object.

Talking about processes is good as it makes plain the structure of the causality that is claimed. You can understand why a process has the results it does.

But "oscillating between subject and object" doesn't really give any real view of a causal structure. There is no reason why it should be happening and have the results it does. It is just a claim about a pair of properties that are inherent in an alternating fashion. Why? How?

Peirce was certainly a process philosopher. But I don't see the justification for calling a panpsychic approach a process one. It claims experience as a property inherent in all material events. There is no actual process producing the property.

Again, a systems-focused ontology cannot explain consciousness even in principle unless it admits that some degree of consciousness exists in all the constituents that comprise the systems at issue. That is, unless one is fine positing miracles/magic - older names for radical emergence.

Again, a systems approach does not demand a world in which the local materials come first. Instead, the claim is that there is an organic interaction between local materials and global forms. A system involves also top-down constraint which has the effect of forming up the local materials, giving them the properties that appear to inhere.

So perhaps you don't understand the systems ontology yet? The local properties are part of what emerge in the development of a system. They don't have to be crisply definite prior to anything as you suggest.

As for "something it is like to be a rock," I'm saying (with most of today's panpsychists) exactly the opposite: there is not something it is like to be a rock. That's my point by saying that the constituents of the rock have some degree of experience but not the rock itself because it lacks the right kind of organization/coherence.

OK, so what defines a constituent here? Is it the crystals, the atoms, the wavefunctions?

And how do we demonstrate that they indeed have this claimed property? How are we measuring it?

As for falsifiability being the hallmark of a scientific theory, this is an overly narrow view that even Popper denied. Falsifiability is the gold standard of scientific theories, but it is not the only standard. Popper himself discussed criticizability as another standard and in philosophy the relevant standards are generally held to be adequacy to the facts and logical coherence.

So you agree that you are spinning a hypothesis that is unfalsifiable?
 
  • #63
apeiron, I urge you go back through our last lengthy discussion because I've addressed all of your questions previously. "Process philosophy" is the term used to describe Whitehead's philosophy and there are journals and countless books on process philosophy, all of which are panpsychist. Whitehead did not deny substance (for what else could be the subject of process?) Rather, he tried to strike a more appropriate balance between process and substance as an antidote to the substantialism of the modern era, which stresses the importance of substance over process. Whitehead is generally a Heraclitean trying to mitigate Parmenidean tendencies that are still deeply rooted in our culture.

Here's the digest of my version of panpsychism, heavily inspired by Whitehead and others, but breaking some new ground also:

- time is quantized (chronon) and the universe is constantly changing from chronon to chronon
- each basic constituent ("actual entity", "simple subject," "occasion of experience," etc.) emanates into actuality from the pure potentiality of the "ground of being" or what Whitehead calls "creativity"
- each basic constituent of the universe oscillates with each time quantum between subject and object
- this oscillation is built into the "creative advance" of the universe, which is the flow of time and the laying down of reality in each moment. This laying down of the universe proceeds through the oscillation of each actual entity from subject to object, which results from the actual entity "prehending" the universe around it and choosing how to manifest based on that information
- actual entities can compound into higher order actual entities given the right energy and communications flows, which allows information to flow through a broader spatial extent than would be possible without these energy and communications flows. The broader spatial extent of each actual entity is perhaps synonymous with forms we call 'life,' which may be characterized by increased energy storage and improved energy flows

As for falsifiability I'm still thinking through approaches that may allow for falsification of panpsychism or materialism for Part 2 of my paper.

One possibility for falsifying materialism - or at least the epiphenomalist version thereof - from my armchair: why do we feel pain if epiphenomenalism is true? Isn't it enough that a reflex prompts us to move away from things that cause us harm? Why is pain (sometimes extreme pain) necessary to deter harmful behavior?
 
  • #64
apeiron said:
As I said, the semiotic view is also the systems' one - essences emerge.

Apeiron, can you elaborate on this, what do you mean by essences?
 
  • #65
PhizzicsPhan said:
"Process philosophy" is the term used to describe Whitehead's philosophy and there are journals and countless books on process philosophy, all of which are panpsychist.

Yes, and I was commenting that this seems false advertising as things end up back with essentialism rather than with a true process view.

Whereas Peirce, who came before Whitehead and arguably influenced many people in a roundabout way, was really a process thinker IMO.

One of the things that came out of that last discussion was a better understanding of all the currents or thought that were swirling at that time. Peirce, of course, was a loner and embittered crank for much of his career, not publishing and so only an indirect influence. Yet I think that the vogue for neutral monism seen in Russell and James, the rise of holism, and then the success of Whitehead, shows that at least the thinking was quite adventurous back then.

By contrast, we are now in an era that is again relentlessly materialist and reductionist. So I have no problem considering panpsychism on its merits. But I am very critical of its inability to model the actual causality of reality. It does more to conceal than reveal when you get down to brass tacks.

Whitehead did not deny substance (for what else could be the subject of process?) Rather, he tried to strike a more appropriate balance between process and substance as an antidote to the substantialism of the modern era, which stresses the importance of substance over process. Whitehead is generally a Heraclitean trying to mitigate Parmenidean tendencies that are still deeply rooted in our culture.

Agreed, but then that does not go far enough from the Peircean perspective. The dichotomy is not between substance and process but substance and form (or local constructive actions and global downward acting constraints). And it is that totality which is the process.

So the process is about how the substance constructs the forms and the forms produce (via constraint) those very same substances. This is the radically emergent view of nature.

Applied to the mind-body issue, this means that we would call "mind" the process. And it emerges via that interaction between the local and global, between substance and form. And matter - the material world usually described by micro-physics - is also a process. It also emerges via the same kind of synergistic, systematic, interaction.

So mind is emergent, the material world is emergent. Both are levels of development of the same general process. (Peirce called it semiosis. Systems scientists today might call it hierarchy theory, or dissipative structure theory, or cybenetics, etc).

You keep saying that we have to believe in panpsychism because nothing essential can emerge from something that wasn't already there as an essence. It seems a plain logical fact to you (and many others).

But Peirce is precisely an example of switching the game around. Now the logic is that everything that exists (or rather persists) and so appears to have an inherent or essential character is in fact radically emergent. It is the result of a process of self-organising development. This applies as much to the universe as our own minds. So there just is no fundamental problem about the essential emerging. Even if there is of course still the issue of making working scientific models of a universe that emerges, or a mind that emerges.

Here's the digest of my version of panpsychism, heavily inspired by Whitehead and others, but breaking some new ground also:
- time is quantized (chronon) and the universe is constantly changing from chronon to chronon
- each basic constituent ("actual entity", "simple subject," "occasion of experience," etc.) emanates into actuality from the pure potentiality of the "ground of being" or what Whitehead calls "creativity"
- each basic constituent of the universe oscillates with each time quantum between subject and object
- this oscillation is built into the "creative advance" of the universe, which is the flow of time and the laying down of reality in each moment. This laying down of the universe proceeds through the oscillation of each actual entity from subject to object, which results from the actual entity "prehending" the universe around it and choosing how to manifest based on that information
- actual entities can compound into higher order actual entities given the right energy and communications flows, which allows information to flow through a broader spatial extent than would be possible without these energy and communications flows. The broader spatial extent of each actual entity is perhaps synonymous with forms we call 'life,' which may be characterized by increased energy storage and improved energy flows

Again, there is a reliance here on essentialist statements such as an oscillation between two states - the objective and the subjective - as a fact. What is it that makes these states different?

Now in QM, you do have a definite appeal to process here. You have the state of the system pre-measurement and post-measurement. OK, that then appears to require an observer. Or you can try to make a no-collapse interpretation seem ontologically sensible (and fail). So there are difficulties still. But the process is modeled mathematically in very clear fashion. And has been well tested. Something critical about reality has been captured to many decimal places.

But your subject/object oscillation just appears a play on words. It sounds a little like QM-speak and so piggy-backs on that theory's credibility. But there is nothing really that connects you to "experiential". The process needed to create that aspect of things is just not outlined in a way it can even be checked for logical rigour, let alone measured in practice.

One possibility for falsifying materialism - or at least the epiphenomalist version thereof - from my armchair: why do we feel pain if epiphenomenalism is true? Isn't it enough that a reflex prompts us to move away from things that cause us harm? Why is pain (sometimes extreme pain) necessary to deter harmful behavior?

Pain is a well studied story in neuroscience. The nervous system has a hierarchical structure so that it can handle reality at the most appropriate level. We have hardwired spinal reflexes so we react to things (like a hand on a hot stove) before the signals would even have time to travel up to the brain. Genes have hardwired in an immediate response because millenia have proved its worth.

But more complex brains can make more complex negotiations. So pain signals may be routed to a lower part of the brain, like the periaqueductal gray, and remapped to a higher part, like the anterior cingulate. The higher brain can then make choices. It can ignore pain - suppress it top-down - because some goal is more critical. Or in contrary fashion, it can amplify pain (bad backs are often an example of over-attention that perpetuates a signal of tissue damage that in fact is no longer there).

This hierarchical design also allows for new sources of pain as a motivating signal. We can feel the psychic pain of an interior decorator entering a badly done room. Or less jokingly, the empathetic pain that is basic to social animals.

So pain is a reaction to what it harmful. It drives a response. Simple creatures feel simple pain (there is something that it is like to be a live lobster chucked in the broiler :smile:). And complex creature are able to feel complex pain (there is something that it is like to be to be into S&M too).

And we can explain the difference in process terms. We can point not just to some simple raw measure of complexity, but an actual structural logic that is plainly there in brain architecture. And which is functional in terms of an explicit ecological context. There is no mystery about the reason for things being this way.

So epiphenomenalism has no place here. We have a process that can result in experiences of pain as the result of some often complex negotiations.

We don't really need pain to drive a reflexive action (so we don't need to feel too guilty about lobsters perhaps). But we do need pain nagging on us to do things like protect a damaged limb until it has healed.

That is why complex brains evolved areas like the periaqueductal gray to keep us factoring the fact of inflammation into our ongoing decision making. And then areas on top of that like the anterior cingulate that can both chose to suppress knowledge of a damaged limb (because we really need to use it for some goal), and also connect more complex kinds of choice making (such as those of a socially-intelligent animal) to this "pain circuit", or central choice-making part of the brain.

So you can ask the question of why a pain has to hurt, just like you can ask about the redness of red. Why doesn't red look blue or gruen, etc? Once you get down to a certain level, you run out of counterfactuals and so any way to talk about how things could be reasonably otherwise.

But that is a tautology rather than a legitimate question really. The right kinds of questions are why is pain such a dominating sensation? What is its ecological function? What is its neural architecture? Why does it have such a variety of psychic sources? Why do the drugs work sometimes and not others? What is the placebo effect? What is a phantom limb?

There are a bunch of questions about pain as a process that can have answers. But that is because there is a context (containing counterfactuals) that allows there to be a real question.

If you insist on reducing the scope of the discussion to a question like why does pain have to hurt, then you are not falsifying materialism but instead putting the whole discussion beyond the falsification of any theory, as all real theories must outline a process. They must make counterfactuals available so that "what is" can be contrasted with "what is not".

And, as I say, where are the counterfactuals with panpsychism? Where is the model of a process that is open to falsification? Even just in the terms of logical argument, let alone scientific observation? If you can't say why a chronon is experiential in one phase of its oscillation by virtue of some explicit process, then you have shut off any genuine engagement here. You have assumed a conclusion without demonstrating any working out.
 
  • #66
PS. Apeiron, can you point me toward a good (hopefully brief) exposition of the systems theory approach to consciousness that you like?
 
  • #67
PhizzicsPhan said:
PS. Apeiron, can you point me toward a good (hopefully brief) exposition of the systems theory approach to consciousness that you like?

Yes, this is the best current neuroscientific paradigm in my opinion. It contains all the important ingredients of the systems approach, and it is fully detailed.

http://www.fil.ion.ucl.ac.uk/~karl/The free-energy principle A unified brain theory.pdf

The New Scientist did a popular account too, if you want to start with something simpler.

http://reverendbayes.wordpress.com/2008/05/29/bayesian-theory-in-new-scientist/
 
  • #68
That New Scientist link was a very good read, pretty interesting theory by Karl Friston but I didn't really read anything about consciousness though just the brain itself.
 
  • #69
Gold Barz said:
That New Scientist link was a very good read, pretty interesting theory by Karl Friston but I didn't really read anything about consciousness though just the brain itself.

A serious neuroscientist like Friston doesn't claim to be solving the riddle of consciousness because that would be treating it as a thing rather than a process. The idea that consciousness is some particular kind of substance or essence is exactly what we are trying to get away from here. Instead what we want is a general theory about mind-like processes.

But as I keep saying, if a brain has anticipatory states, then it doesn't seem a big jump to feeling that there should be something that it is like to be that brain (as opposed to some similar lump of matter that is not forward modelling the world).
 
  • #70
So the free energy principle is a mind-like process?

Also, are there any other theories that you like that fits in with the whole systems approach? I'm in the mood for some reading
 
<h2>1. What is the mind-body problem?</h2><p>The mind-body problem is a philosophical dilemma that seeks to understand the relationship between the mind and the body. It questions whether the mind and body are two distinct entities or if they are somehow connected.</p><h2>2. Who is Noam Chomsky and what is his view on the mind-body problem?</h2><p>Noam Chomsky is a linguist and philosopher who is known for his theory of generative grammar. Chomsky believes that the mind and body are separate entities and that the mind is responsible for language acquisition and processing.</p><h2>3. What is Thomas Nagel's perspective on the mind-body problem?</h2><p>Thomas Nagel is a philosopher who believes in a dualistic approach to the mind-body problem. He argues that the mind and body are fundamentally different, and that consciousness cannot be reduced to physical processes.</p><h2>4. How do Chomsky and Nagel's views differ?</h2><p>Chomsky and Nagel have different perspectives on the mind-body problem. Chomsky believes in a more materialistic approach, where the mind is a product of the physical brain. Nagel, on the other hand, argues for a dualistic view where the mind and body are separate entities.</p><h2>5. What are some potential implications of the mind-body problem?</h2><p>The mind-body problem has significant implications for fields such as psychology, neuroscience, and philosophy. It can also have implications for our understanding of consciousness, free will, and the nature of reality.</p>

1. What is the mind-body problem?

The mind-body problem is a philosophical dilemma that seeks to understand the relationship between the mind and the body. It questions whether the mind and body are two distinct entities or if they are somehow connected.

2. Who is Noam Chomsky and what is his view on the mind-body problem?

Noam Chomsky is a linguist and philosopher who is known for his theory of generative grammar. Chomsky believes that the mind and body are separate entities and that the mind is responsible for language acquisition and processing.

3. What is Thomas Nagel's perspective on the mind-body problem?

Thomas Nagel is a philosopher who believes in a dualistic approach to the mind-body problem. He argues that the mind and body are fundamentally different, and that consciousness cannot be reduced to physical processes.

4. How do Chomsky and Nagel's views differ?

Chomsky and Nagel have different perspectives on the mind-body problem. Chomsky believes in a more materialistic approach, where the mind is a product of the physical brain. Nagel, on the other hand, argues for a dualistic view where the mind and body are separate entities.

5. What are some potential implications of the mind-body problem?

The mind-body problem has significant implications for fields such as psychology, neuroscience, and philosophy. It can also have implications for our understanding of consciousness, free will, and the nature of reality.

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