The failure of theory, and necessity of it.

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Awesomelyglorious
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14 Jun 2010, 8:02 pm

Now, it is continually true that in reality that it is complex, and it is continually true in our theories that they are parsimonious, and even further, it is continually true that we as theorists don't recognize how much we are theorizing and how our basic ideas are just theories and models that seem to work.

The issue is that regardless of what we think, we do not directly perceive reality, but rather that there is a huge gap for all sorts of unknown blind spots and perceptual illusions to occur. The problem is that because we do not recognize our theories, we fail to recognize when reality ends and theory begins. So, when our theories are false, it seems as if the distortion is not within ourselves but rather within reality itself. If a person loses faith, then it is a death of God, where the very essence of the world dies. If a person is suffering great mental strife, then the fabric of the world has become weird and distorted, ontology perverted, when it is just that the perceiver is having problems. When something contradicts a theory that we think is "just basic intuition" it is an impossibility until we come to find the insight of that theory ourselves.

The problem is that if we are caught in our theories, if we cannot see essences, then we are always trapped in our confusion. Lurching forward blindly, rather than as a matter of our deep insight. Knowledge is contingent. Every Platonism a historical occurrence, rather than an ahistorical reality. In such, we are lost. What does it mean to see the cracks in our own shallow faiths? What should we think when there is no thought that remedies the emptiness of our loss of theory? How is an ironist supposed to view the world? Is there anything of real import that isn't itself a theory, and itself not potentially false? And so, AG rants on.



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14 Jun 2010, 8:53 pm

This I can fully agree with.



Furchtbar
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14 Jun 2010, 10:08 pm

A theory is essentially an explanation for something that our five senses cannot (currently) explain. Every theory requires a leap of faith type of thing, you have to believe that the principles governing the theory are logical and reasonable enough to make the theory make sense. Plato himself said that true good is reaching beyond your five senses for the answer, he says that our senses confuse us and block us from being to truly understand things. So is the basis of a theory. There is a bit of a leap of faith involved, but the fact is that I can't see an atom. Does that mean the atom isn't there? No. Does that mean that the atom might not be there? I suppose so, but there is more than enough proof for me to look outside my sense and say that indeed, atoms more than likely exist.



Awesomelyglorious
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14 Jun 2010, 10:17 pm

Furchtbar wrote:
A theory is essentially an explanation for something that our five senses cannot (currently) explain.

Well, no, the insights of our 5 senses are theory-dependent.
http://www.scientificamerican.com/galle ... 05F5185BF5
http://forgetomori.com/2009/science/bes ... this-year/

Basically, even the perception of color involves complicated interpretation processes that can lead to misleading conclusions. Our very mental structure embodies certain premises.

Quote:
Every theory requires a leap of faith type of thing, you have to believe that the principles governing the theory are logical and reasonable enough to make the theory make sense.

Well, every theory is fallible and we can self-consciously know we are wrong. I am not saying that theories are leaps of faith, as there are better and worse theories and we can show this to some extent, only that each theory is taken with the ironic recognition that the theory is believed even though it is known that in the end it shouldn't be. I mean, you might take "fallibility" as "leap of faith", but mixing existentialism and pragmatism tends to confuse things a lot since the ideas are very different.

Quote:
There is a bit of a leap of faith involved, but the fact is that I can't see an atom. Does that mean the atom isn't there? No. Does that mean that the atom might not be there? I suppose so, but there is more than enough proof for me to look outside my sense and say that indeed, atoms more than likely exist.

I can accept your interpretation of my thoughts as I read it here. You could be wrong, but I can't distinguish between the errors and just variations in word use.



ruveyn
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15 Jun 2010, 3:44 am

Furchtbar wrote:
A theory is essentially an explanation for something that our five senses cannot (currently) explain. Every theory requires a leap of faith type of thing, you have to believe that the principles governing the theory are logical and reasonable enough to make the theory make sense. Plato himself said that true good is reaching beyond your five senses for the answer, he says that our senses confuse us and block us from being to truly understand things. So is the basis of a theory. There is a bit of a leap of faith involved, but the fact is that I can't see an atom. Does that mean the atom isn't there? No. Does that mean that the atom might not be there? I suppose so, but there is more than enough proof for me to look outside my sense and say that indeed, atoms more than likely exist.


Sensory input is the only source of knowledge about the world we have. Theory is simply an amplifier of intuitive induction from our experience. Without sense data we know nothing.

ruveyn



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15 Jun 2010, 6:39 am

Awesomelyglorious_in_his_opening_post wrote:
...

Well put; we are always living in a model; there is no way to stand outside of our bodily/species determined perceptions, cognitive biases, bents, etc, even with the help of tools ( however abstract, eg. measurements, etc ), and machines; even so-called objectivity is just the subjective "experience" ( reality/"truth" ) of whichever is the largest and most complex human social organism at any given time, etc, the models/theories driven/shaped by the needs aswell as the form of the social organism, as the models/theories "chosen" by an individual, ( and which "frame"/shape their experience ), are determined by their needs, etc.

What to do about it, how to respond to this realisation? ... Laugh? :lol

I believe that just recognising this about life is already an achievement, ( pats self on back! :lol ), but after that? ...

Carry on using the models, but being aware that everything is "only" a model/theory may make it easier to change the models/accept changes to them ... and we may, perhaps, be able to benefit from/take advantage of the flexibility ( because of detachment ) that the understanding brings with it?

No other suggestions for the moment! :lol

PS. But I suspect that this might be one reason why I feel so much less exhaustingly haunted/hounded/fundamentally directionless/at sea in an ocean of "models"/theories since "deciding" to believe in god, because the "belief in"/model of god creates a prosthetic experience, or cognitive illusion, of contact with/knowledge of the otherwise inaccessible "outer", "enclosing", ( "One" ) reality. The belief "reminds" me, tells me, that there *is* a reality out there beyond the models/theories, just *one*, and that is very "restful"/helpful psychologically, ( even if that "one" reality is by definition indescribable/unknowable ).

"It", ( god/the "One" reality ), is right there, all around us, very close, just hidden from us by a veil of "models". Just believing in it, accepting that no model/theory will ever be more than contingent etc, makes a lot of difference to me.

.



pandabear
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15 Jun 2010, 10:36 am

"All theories are wrong. Some theories are useful."

I don't know the origin of the quote, but I've heard it repeated.



Awesomelyglorious
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15 Jun 2010, 11:35 am

ruveyn wrote:
Sensory input is the only source of knowledge about the world we have. Theory is simply an amplifier of intuitive induction from our experience. Without sense data we know nothing.

ruveyn

Well, right, but even our sensory input represents theories about reality, at least theories on the best ways to model it to find what is needed. Optical illusions all give blaring messages to us that we aren't just directly perceiving things.

Also, pandabear, that is a very good quote.



Awesomelyglorious
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15 Jun 2010, 11:38 am

ouinon wrote:
Carry on using the models, but being aware that everything is "only" a model/theory may make it easier to change the models/accept changes to them ... and we may, perhaps, be able to benefit from/take advantage of the flexibility ( because of detachment ) that the understanding brings with it?

No other suggestions for the moment! :lol

Oh, darn! And I was hoping for an amazing and massive list of suggestions. :P



Hector
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15 Jun 2010, 11:59 am

Awesomelyglorious wrote:
ruveyn wrote:
Sensory input is the only source of knowledge about the world we have. Theory is simply an amplifier of intuitive induction from our experience. Without sense data we know nothing.

ruveyn

Well, right, but even our sensory input represents theories about reality, at least theories on the best ways to model it to find what is needed. Optical illusions all give blaring messages to us that we aren't just directly perceiving things.

Also, pandabear, that is a very good quote.

How does it? I mean, when I see rain falling outside, I do not visualise the Newtonian model that would enable one to predict the velocity of the drop at a certain time, or indeed any other such model. So there is not only a (possible) distinction between reality and what we can sense, but also a very definite distinction between what we can sense and what scientific models we've come up with so far for predicting certain events.



ouinon
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15 Jun 2010, 12:31 pm

Hector wrote:
Awesomelyglorious wrote:
Even our sensory input represents theories about reality, at least theories on the best ways to model it to find what is needed. Optical illusions all give blaring messages to us that we aren't just directly perceiving things.
How does it? I mean, when I see rain falling outside, I do not visualise the Newtonian model that would enable one to predict the velocity of the drop at a certain time, or indeed any other such model. So there is not only a (possible) distinction between reality and what we can sense, but also a very definite distinction between what we can sense and what scientific models we've come up with so far for predicting certain events.

About perception, and how social/cultural backgrounds ( and their traditional "chemical" accompaniments too perhaps; eg. diets: rice and fish in the far east versus wheat/gluten and dairy, with their food opioid peptides which are found in no other foods other than spinach, of all things, in the west ), and their associated theories/models ( that include value systems ), which shape/determine what we see:

"East versus West; one sees big, the other is focussed"; 2003 by Sharon Begley for Science Journal in the Wall Street Journal ( permission is given to reprint under "fair use" terms", eg. for educational purposes ).

Sharon_Begley wrote:
Then you ask each to decide which two -- of a panda, a monkey and a banana -- go together. The Japanese man selects the monkey and the banana; the Brit, the panda and the monkey.

Like many scholars of human thought since at least Hume and Locke, today's cognitive psychologists tend to be "universalists," assuming that everyone perceives, thinks and reasons the same way.

"There has long been a widespread belief among philosophers and, later, cognitive scientists that thinking the world over is basically the same," says psychologist Howard Gardner of Harvard University in Cambridge, Mass. Although there have always been dissenters, the prevailing wisdom held that a Masai hunter, a corporate raider and a milkmaid all see, remember, infer and think the same way.

But an ever-growing number of studies challenge this assumption. "Human cognition is not everywhere the same," concludes psychologist Richard E. Nisbett of the University of Michigan, Ann Arbor, in his new book, "The Geography of Thought: How Asians and Westerners Think Differently ... and Why." Instead, he says, "the characteristic thought processes of Asians and Westerners differ greatly."

The book compares people from East Asia (Korea, China and Japan) with Westerners (from Europe, the British commonwealth and North America).

AS THE MONKEY-PANDA example shows, Westerners typically see categories (animals) where Asians typically see relationships (monkeys eat bananas). Such differences in thinking can trip up business and political relationships.

The cognitive differences start with basic sensory perception. In one study, Michigan's Taka Masuda showed Japanese and American students pictures of aquariums containing one big fast-moving fish, several other finned swimmers, plants, rock and bubbles. What did the students recall? The Japanese spontaneously remembered 60% more background elements than did the Americans. They also referred twice as often to relationships involving background objects ("the little frog was above the pink rock").

The difference was even more striking when the participants were asked which, of 96 objects, had been in the scene. When the test object was shown in the context of its original surroundings, the Japanese did much better at remembering correctly whether they had seen it before. For the Americans, including the background was no help; they had never even seen it.

"Westerners and Asians literally see different worlds," says Prof. Nisbett. "Westerners pay attention to the focal object, while Asians attend more broadly -- to the overall surroundings and to the relations between the object and the field." These generalizations seem to hold even though Eastern and Western countries each represent many different cultures and traditions.

Because of their heightened perception of surroundings, East Asians attribute causality less to actors than to context.

.



Awesomelyglorious
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15 Jun 2010, 1:45 pm

Hector wrote:
How does it? I mean, when I see rain falling outside, I do not visualise the Newtonian model that would enable one to predict the velocity of the drop at a certain time, or indeed any other such model. So there is not only a (possible) distinction between reality and what we can sense, but also a very definite distinction between what we can sense and what scientific models we've come up with so far for predicting certain events.

I didn't say you did. The issue is that the mind is using theoretical constructs to conceptualize reality. You don't directly "see rain falling outside", but rather your mind structures the acquisition of information, and the processing of information to allow you to see the outside. If your brain was not applying models to your external world, it would be downright incomprehensible.

I don't think that the distinction is so definite, actually. The human body represents a lot of stored ideas about how things can work in reality. Science just makes the testing process faster.

ouinon's own citation is also relevant in this regard as well. There is a lot about what your brain is doing that you are not directly aware of. In fact, you aren't aware of most of what it is doing.



Hector
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15 Jun 2010, 4:03 pm

Awesomelyglorious wrote:
I didn't say you did. The issue is that the mind is using theoretical constructs to conceptualize reality. You don't directly "see rain falling outside", but rather your mind structures the acquisition of information, and the processing of information to allow you to see the outside. If your brain was not applying models to your external world, it would be downright incomprehensible.

Why conflate scientific models with how one's mind processes what one senses? I guess this just leads me back to my conviction that there is a pretty clear distinction between what one can sense and what scientific models tell us. The distinction, or at least a distinction, is that different people may sense objects in different ways (for example, maybe my conception of what the colour pink is is different from yours), but good scientific models account for many phenomena in such a way that their predictions can be independently shown to be reliable by any one competent and resourceful experimentalist.
Awesomelyglorious wrote:
I don't think that the distinction is so definite, actually. The human body represents a lot of stored ideas about how things can work in reality. Science just makes the testing process faster.

How is this the case? I'm not sure I even understand what you mean, here.
Awesomelyglorious wrote:
ouinon's own citation is also relevant in this regard as well. There is a lot about what your brain is doing that you are not directly aware of. In fact, you aren't aware of most of what it is doing.

Well, of course I'm not aware of a lot of what my brain does. Though I'm not sure how that or ouinon's citation clashes with my point: that there is a clear distinction between scientific models and what we sense. If anything, they help to strengthen that distinction between sense and science: it is significant that a scientific theory can be successfully verified by different people of differing cultural and genetic make-up, with a suitable level of competence and resourcefulness.



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15 Jun 2010, 5:03 pm

Awesomelyglorious wrote:
Now, it is continually true that in reality that it is complex, and it is continually true in our theories that they are parsimonious, and even further, it is continually true that we as theorists don't recognize how much we are theorizing and how our basic ideas are just theories and models that seem to work.

The issue is that regardless of what we think, we do not directly perceive reality, but rather that there is a huge gap for all sorts of unknown blind spots and perceptual illusions to occur. The problem is that because we do not recognize our theories, we fail to recognize when reality ends and theory begins. So, when our theories are false, it seems as if the distortion is not within ourselves but rather within reality itself. If a person loses faith, then it is a death of God, where the very essence of the world dies. If a person is suffering great mental strife, then the fabric of the world has become weird and distorted, ontology perverted, when it is just that the perceiver is having problems. When something contradicts a theory that we think is "just basic intuition" it is an impossibility until we come to find the insight of that theory ourselves.

The problem is that if we are caught in our theories, if we cannot see essences, then we are always trapped in our confusion. Lurching forward blindly, rather than as a matter of our deep insight. Knowledge is contingent. Every Platonism a historical occurrence, rather than an ahistorical reality. In such, we are lost. What does it mean to see the cracks in our own shallow faiths? What should we think when there is no thought that remedies the emptiness of our loss of theory? How is an ironist supposed to view the world? Is there anything of real import that isn't itself a theory, and itself not potentially false? And so, AG rants on.


There are no essences. That is Aristotelian nonsense.

There is only stuff and motion Out There. What we know of it, is what our senses tell us.

ruveyn



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15 Jun 2010, 5:11 pm

Hector wrote:
Why conflate scientific models with how one's mind processes what one senses? I guess this just leads me back to my conviction that there is a pretty clear distinction between what one can sense and what scientific models tell us. The distinction, or at least a distinction, is that different people may sense objects in different ways (for example, maybe my conception of what the colour pink is is different from yours), but good scientific models account for many phenomena in such a way that their predictions can be independently shown to be reliable by any one competent and resourceful experimentalist.

Because there is a lot of similarity there. I mean, philosopher of science Karl Popper viewed the scientific process as being deeply similar to the evolution of species.

You have a conviction that there is a "clear distinction", and I understand that, and my own comment is a direct rejection of this as I quote my OP: "regardless of what we think, we do not directly perceive reality". A similar statement is made by Gromit in a thread on evolution: http://www.wrongplanet.net/postp2836927.html#2836927 I mean, the problem is that the mind does not let them see how much the data is being altered, however, I have already posted two optical illusions, to help make my point, wherein the colors are outright distorted by our brain's implicit theories of perception.
Here is a list of optical illusions that create false perceptions of motion:
http://www.ophtasurf.com/en/bestillusions1.htm

In auditory sensations, there is something called the shepherd tone, where sound continually rises or continually lowers in its pitch. http://en.wikipedia.org/wiki/Shepard_tone

I mean, while you may say "I directly perceive things", the problem with such issues is that they kind of show that you can't be doing that, or you wouldn't be falling victim to these illusions.

To go even further, there is the color phi phenomenon, wherein subjects perceive something that is impossible. http://en.wikipedia.org/wiki/Color_Phi_phenomenon What happens is that researchers show two lights of different color in quick sequence, what viewers see is a light moving and then changing color midway. Now, the problem is that the color cannot change midway because it isn't moving there, and if we were directly perceiving the light, we wouldn't be able to even have the gap for the brain to say that it did change midstream.

These kinds of issues are pushed even further by philosopher Dan Dennett, whose TED talk, I continually recommend:
http://www.ted.com/talks/dan_dennett_on ... sness.html

Quote:
How is this the case? I'm not sure I even understand what you mean, here.

We aren't blank slates, but rather creatures with built in ideas on how to process information, as well as ideas on how to process it learned from experience, and all of these abilities are forward looking, in that they are efforts to find principles to apply to future environments, and of course, there is improvement in this over time. This is very much like science in that science is forward looking and builds on itself by being correct or incorrect.

Quote:
Well, of course I'm not aware of a lot of what my brain does. Though I'm not sure how that or ouinon's citation clashes with my point: that there is a clear distinction between scientific models and what we sense. If anything, they help to strengthen that distinction between sense and science: it is significant that a scientific theory can be successfully verified by different people of differing cultural and genetic make-up, with a suitable level of competence and resourcefulness.

Well, you mean that science is conscious? Well, that's really not central to the issue. The real center of the issue is the processing of data, the fallibility in processing, and the rejection of naive data selection.



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16 Jun 2010, 8:15 am

Hector wrote:
How does it? I mean, when I see rain falling outside, I do not visualise the Newtonian model that would enable one to predict the velocity of the drop at a certain time, or indeed any other such model. So there is not only a (possible) distinction between reality and what we can sense, but also a very definite distinction between what we can sense and what scientific models we've come up with so far for predicting certain events.

You might not visualise the Newtonian model, but all your observations are filtered through theoretical frameworks (though not necessarily the theoretical frameworks provided by science), whether or not you're aware of it. In the brilliant book Scientific Realism and the Plasticity of Mind (well worth reading for anyone interested in these sort of questions), Paul Churchland provides an interesting thought experiment. Basically: imagine a society of people whose commonsense notion of what we call temperature is based on our rejected theory of caloric. They are exactly like us, even to the extent that they use exactly the same language, with one exception: where we view objects as being hot, warm, cold, etc, they view objects as behaving like sponges that hold to varying extents the substance caloric. Some objects are better sponges, with regard to caloric, than others; some can absorb massive amount with only a little increase in pressure, others cannot. So this is hardly an advanced theory: it's seems possible that some alien civilization may well have developed such a framework.

Caloric can literally be seen, without the use of specialized instrusments, at very high pressures: it glows red, orange, yellow, then white as the pressure increases. If you touch an object which has a higher pressure of caloric than your body, then you can feel the fluid move into you. There is no such thing as 'hot' or 'cold', there are only statements like 'has high caloric pressure', 'has low caloric pressure', etc. These statements obviously depict reality: children can observe them to be true.

But, of course, it isn't true. It is, however, arguably a better theory than our own commonsense theory that's based on 'hot', 'cold', etc: it has superior explanatory power, to the extent that they can simply observe without question things that we may find difficult to explain without study. To quote Churchland: Why does a body expand in proportion to the amount it is heated? To one who conceives of such bodies as containing a fluid under increasing pressure, the phenomenon is only natural. Why do contiguous bodies at different temperatures always end up at one and the same temperature, a temperature somewhere between the initial extremes? To one who conceives of these 'temperatures' as unequal pressures in two connected fluid reservoirs, an exchange of fluid until equilibrium is reached is the inevitable result. And so on. Such observations are, obviously, not contained in the sensory information, but in the theoretical interpretation of that information: the latter is just as important as the former in the way we perceive our world.

.


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