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| David Longley |
Posted: Sun Dec 28, 2003 2:01 pm |
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In article <bsn727$id3$1@usenet.cso.niu.edu>, Neil W Rickert
<rickert+nn@cs.niu.edu> writes
Quote: David Longley <David@longley.demon.co.uk> writes:
In article <bsmqu0$djg$1@usenet.cso.niu.edu>, Neil W Rickert
rickert+nn@cs.niu.edu> writes
Science is basically pragmatic -- looking for what works. Religion
purports to be seeking some imagined metaphysical truth.
And historically - pre 1951 - science was (by the logical positivists at
least) defined as "the pursuit of truth" (synthetic statements), and
And that has a lot to do with why logical positivism was so nonsensical.
philosophy the analysis of meaning. Hence Quine's summary book "Pursuit
of Truth" (1992).
It is based on the nonsense that is logical positivism.
This has nothing to do with seeking metaphysical truth.
Science constructs its own pragmatically based criteria for truth.
Logical positivism presumes that some sort of truth pre-exists
without such construction. You cannot make sense of that except on
the assumption that "truth" is used as a metaphysical notion (even if
positivists claimed to reject metaphysics).
It has nothing to do with "truth" pre-existing - it is about statements
being true or false. The point to grasp (especially in this forum) is
the scope and language of science. The theory of truth in this context
is basically Tarski's "disappearance, or disquotational" theory.
In these posts you simply advance your own eccentric philosophy as
usual, and like other eccentrics such as Ozkural, Michaels and Zero, you
misrepresent other positions, in this case that of both traditional
logical positivism and Quine's revision of it in "Two Dogmas of
Empiricism".
What you find "nonsensical" is your own misconceptions - they're not the
views of the authors - you just don't understand what they have to say.
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David Longley |
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| Eray Ozkural exa |
Posted: Sun Dec 28, 2003 2:13 pm |
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Doktor DynaSoar <targeting@OMCL.mil> wrote in message news:<n3hnuv8ror7307r684ckeu2hhg0v9j334r@4ax.com>...
Quote: Don't bother; it's not supposed to make sense.
There's many of these obviously self-instructed anti-behaviorists
pouting around and spewing nonsense. Apparently it's safer to knock
down imaginary straw men than it is to learn something. If there
weren't so many different ones, I'd say they're trolls. They never do
get specific about who these behaviorists really are, but when you
tell them they're boneheads, they accuse you of being a behaviorist.
Drawing parallels between this behavior and any number of
fundamentalist something-or-others is left as an exercise for the
reader.
For what it's worth, DynaSoar's post is a perfect troll.
Here is what you might be meaning:
1. I am not a behaviorist because I'm a neuroscientist
2. There are anti-behaviorists
3. They don't get specific about who is a behaviorist
4. When I tell them they're boneheads, they accuse me of being a
behaviorist
5. Therefore they must be fundamentalists
Where is logic in this post? What are you trying to tell us? Is there
any relation between any of the points you are making?
Why should you think that anti-behaviorists are boneheads? What makes
you think that you do not side with behaviorists when you say that?
Did you specify whom these anti-behaviorists are? Or does this claim
cover any potential anti-behaviorist? Is anybody who doesn't believe
in behaviorism a bone-head? That cannot be the case I suppose because
you yourself are opposed to behaviorism. Then, what makes your
position different from other anti-behaviorists?
For the record, I *am* opposed to behaviorism and I get *very*
specific about who is a behaviorist.
I also get *very* specific about where behaviorism fails or succeeds.
I did not talk to you before or call you a behaviorist. But I do think
that the kind of argument you are making is similar to those made by
behaviorists. And in response to my not-very-serious reply, you wrote
a post full of disgusting insults.
You are trolling. That's all. |
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| OmegaZero2003 |
Posted: Sun Dec 28, 2003 2:33 pm |
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"Glen M. Sizemore" <gmsizemore2@yahoo.com> wrote in message
news:f815631e2120baa3c593d275dc1a02ce@news.teranews.com...
Quote: snip
Dr. D. It really only emphasizes the fact that you're arguing from formula
rather than substance that you continue to accuse me, as below, of being a
behaviorist, when I've made it abundantly clear to all but the most brain
dead that I am a professional neuroscientist. If you had the slightest
inkling of what that meant, you'd understand that it's about as
antithetical
as you can get from being a behaviorist.
snip
GS: Hi. Not that I disagree with much of what you wrote but, for the
record,
what I view as behaviorism is not antithetical to neuroscience.
Behaviorism
simply says that behavior can be understood as a subject matter in its own
right, and can be so considered without viewing it as a symptom of the
activities of the "mind" or brain. The position also typically holds that
the elucidation of behavioral processes at the behavioral level is
essential
to the goal of eventually understanding the relation between behavior and
neurophysiology. Behavioral facts (especially uncovered by behavior
analysis, since they are known to be reliable and general and to have
relevance to the behavior of individuals) are "what is to be explained."
ASs s why I see a blue cube in my mind's eye when thinking about a blue
cube. No external behavior (especially of not verbally repoerted) at all.
Many mechanisms (neural correlates (NCs)), will be similar if not the same;
some will be different as there is no recept.
Quote:
Respectfully,
Glen
"Doktor DynaSoar" <targeting@OMCL.mil> wrote in message
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| Eray Ozkural exa |
Posted: Sun Dec 28, 2003 3:01 pm |
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Ok. I'll waste my mind with the rest of your post.
It seems that I was wrong in quickly labelling you a behaviorist. I
apologize to the readership for this "behavior".
My only excuse for my lack of attention is that I'm sick and tired of
arguing with behaviorists, and then arguing about arguing with
behaviorists and so on...
However, I decline to apologize to you because
1. You made ungrounded claims about anti-behaviorists on
comp.ai.philosophy
2. You posted a whole lot of insults
You can decline to apologize to me as well and we will be even.
I'm hoping that neither of us makes it to the top 10 net.kooks chart.
:)
Doktor DynaSoar <targeting@OMCL.mil> wrote in message news:<16lsuv4ibf9ig5ss198766d32o9ugoqlho@4ax.com>...
Quote: On 27 Dec 2003 07:14:59 -0800, erayo@bilkent.edu.tr (Eray Ozkural
exa) wrote:
If you can find someone to help you stay on track while you follow a
simple instruction, please do, and then go read what I wrote. I said
absolutely nothing regarding supporting behaviorism. What I said, in
summary, is that you're a common, garden variety loon, arguing a point
you've invented against a counterpoint of your own devising, based on
an obvious complete lack of knowledge in that area. The
"anti-behaviorism" garbage has been floating around the net for over
10 years, and it's always some ignorant amateurs who've picked up the
thread left by prior bozos, contributing nothing of substance.
Then, you don't have any idea what I have written on the subject,
either.
I don't have any idea what you have written on the subject and I doubt
that your criticism has contributed anything of substance.
Saying that anti-behaviorists are generally boneheads does not
contribute to the discussion.
Quote: Read that carefully: You've said nothing I haven't seen from equally
ignorant feebs for more than a decade.
I didn't make an argument against behaviorism in my response to you. I
only stated my position.
Quote: Now, all of that may stand on its own. It really only emphasizes the
fact that you're arguing from formula rather than substance that you
continue to accuse me, as below, of being a behaviorist, when I've
made it abundantly clear to all but the most brain dead that I am a
professional neuroscientist. If you had the slightest inkling of what
that meant, you'd understand that it's about as antithetical as you
can get from being a behaviorist.
I don't think your philosophical position really has anything to do
with your profession. There may be AI researchers who believe in God.
Of course, you may be assigning metaphysical importance to your work
and insist on drawing philosophical implications from your work and
this may have led you to believe that behaviorism is false. Very well.
Show me an article of yours that makes such a nice argument in full
force. That would be appreciated. (Seriously)
Quote: } You have not even understood that the intention
I know precisely what your intention was, and I know from whence it
comes. This is what I'm trying to explain to you.
No, you do not understand whence it comes. I am not a garden-variety
loon or a net.kook without a real argument. On the contrary, the
behaviorists on these groups are those without a real argument!
Quote: } was to indicate how
} off-topic it may get when you write about people in the same
} self-righteous and counter-intellectual way which you have learnt from
From you, spankard. I copied your overblown self-absorbed rhetoric
quite well I thought.
I didn't find it quite well. :)
Quote: Now, since I've proven that you're not arguing from any intellectual
platform whatsoever, but rather punching holes in the sky out of
frustration for not actually knowing enough to speak intelligently
about the subject, I leave it for you in your next paragraph to
reindite yourself and provide yet more evidence that I'm correct.
Your claim being "I am an anti-behaviorist. Anti-behaviorists are
boneheads, but I'm not a bone-head because I'm a neuroscientist"? I am
afraid I can't provide any evidence for such a pointless claim.
Quote: Rant on:
} a pseudo-scientist called B.F. Skinner and an armchair philosopher
} called Quine who was a master of verbal confusion. David Longley
} pursues the same route as yourself. His hypocritical deconstructionism
} and circular clownery is not unique to himself; it is a hallmark of
} behaviorist "movement", as if the dead and buried can be said to move.
} You can only declare your position as "unassailable" or
} "unfalsifiable" like David Longley, and then assault your critics
} because they are using the language of folk psychology, as if you have
} been able to eliminate abstract concepts from the discourse. You will
} then pretend that your philosophical position has a priviledged access
} to metaphysical truth while all of your claims have turned out to be
} mere assumptions. Every paper by Quine on human mind is a large
} circle. Every paper by Skinner concerning the ontology of animal and
} human psychology is a stack of empty sheets.
Very nice, thanks. How about an excuse for your behavior now?
If you mean by behavior that I called you a behaviorist, I retract
that statement but I do not apologize.
Quote: } You also do not understand how specific anti-behaviorist critics have
} been on comp.ai.philosophy and sci.cognitive in response to the
} behaviorist infestation and widespread sabotage carried out by minions
} of Skinner and Quine.
Perfect. Those bad people made you have to do it.
Yes, exactly.
They have been "spouting non-sense" about behaviorism for the last 10
years.
Their "verbal behavior" is essentially noise and they are effectively
degrading the quality of communication.
Quote: } There is no need to re-iterate the valid scientific and philosophical
} objections to your obsolete doctrine. I believe even you are advanced
} enough to use search engines on the web.
Gee, you were so full of bluster, as well as yourself before. That was
rather ... weak. Run out of steam?
The objections are well-known. I do not have to explicate them here
once again. I'm bored of this behaviorism mockery overall.
Quote: } Read what I wrote in my previous post well. There is a lesson or two
} there for simpletons such as yourself. And another point is that one
} can verbally assault someone without the idiotic sexual insults you
} are generating.
OH, NO! LOOK OUT!
What did you think?
Quote: } Perhaps you are mirroring the behavior of others in
} your environment, who knows?
Darn, you stepped right in it. That was very behaviorist of you. You
sure you don't want to come out of the behaviorist closet?
It's called sarcasm.
[snip]
Quote: } You are likening anti-behaviorists to fundamentalists while
} philosophical behaviorism itself is one of the few amazing
} fundamentalist positions in philosophy of mind. How ironic. How sad.
Yet how true. It stems primarily from the fact that those who claim to
be anti-behaviorists are not truly anti-behaviorism, but rather are
anti-something-entirely-self-deluded.
You are again making the kind of remark that made me write that
sarcastic post.
These claims do not apply to me, therefore your general statement
about anti-behaviorists must be false.
You should understand that there may be just as much philosophical
sophistication as yourself in others that oppose behaviorism. Do you
think you are the only person on earth who understands why behaviorism
is false? How arrogant of you to claim that!
Does not Jaegwon Kim understand why it is false?
Quote: } If you had any level of sophistication, you could talk about
} behaviorism as a matter of hypothesis ("what if..."), not as unfounded
} assertions ("it is true that ..."), and we could have had an actual
} philosophical exchange about the merits and defects of such an
} approach to philosophy of mind.
If you had any level of understanding regrading my sophistication, as
evidenced by publication in peer reviewed professional journals, you'd
understand just how goofy you look thrashing around making unsupported
and unsupportable accusations. That, however, is your modus operandi,
And you claim to have made a philosophical contribution to the
"anti-behaviorist" literature with this work? Or is it just
neuroscience?
A neuroscientific disproof of behaviorism would be worthwhile. Since
my toolkit is mostly limited to philosophy and computer science, I
have thought of a mathematical disproof of behaviorism. Would you like
to discuss your approach?
Quote: As for "philosophy of mind", I've had my fill. I was a charter
subscriber to the Journal of Consciousness Studies, and was appaled to
see that it consisted almost entirely of philosophy. It was worse than
useless, it was obsfucation which some otherwise rational
neuroscientists were wasting their time on, making lots of words and
saying nothing. Come volume 3, #2 of JCS, they had a "special issue"
on "zombies". Since no one associated with the journal could provide
me with a source of such beings, so that I might obtain some for
testing in my laboratory, I bade them farewell.
I appreciate your reaction. I agree that these philosophical zombies
cannot exist. (And it's not just the case that they do not exist)
Quote: I measure real phenomena. I do not have time or inclination to engage
in such intellectual masturbation. You, on the other hand, seem to
have all the time in the world for it. Lack of anything substantive, I
must assume.
No, you shouldn't assume that. :)
I believe that one may progress from philosophical questions to
scientific problem formulations. That is what I'm trying to do.
I believe that the philosophical problem of subjective experience
persists despite the enormous scientific progress we have made in
brain sciences and artificial intelligence.
I hope that you will not label these two humanly beliefs
"fundamentalist" only because they are beliefs. They are not dogmatic
I assure you.
Quote: } As I said, I will not indulge myself with the ways of sub-human. You
} shall find comfort in your philosophy of nothingness for that is what
} your mind can afford.
Can't stop trying to pin the tail on the furniture, and try make
everyone else believe it's a donkey, can you? That's pitiful. You
deparately need some new matieral. Unfortunately, that would require
learning.
I retract these statements about including you in the category of
behaviorists since you are apparently an anti-behaviorist as you just
said.
I have stuided a lot of new material in the recent years but I do not
know how relevant they are to your line of work.
Thanks,
--
Eray Ozkural |
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| Eray Ozkural exa |
Posted: Sun Dec 28, 2003 3:07 pm |
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lesterDELzick@worldnet.att.net (Lester Zick) wrote in message news:<3feb8787.2647984@netnews.att.net>...
Quote: In other words the only way behaviorism has to analyze behavior is to
characterize various behavioral forms in purely nominal terms
amounting to nothing more than simplistic and naive distinctions like
public, private, emitted or whatever. And what makes such distinctions
significant? Because behaviorists can reliably define words like these
without reference to behavior in general.
This is probably a paragraph worth discussing. I wish I had not jumped
on Doktor DynaSaur's attack on you and had answered this instead.
You are essentially saying that behaviorists are rejecting the
existence of complex problems because they can only deal with very
simple cases. Is that right?
That would be valid meta philosophy I guess. :)
If you could give a few examples from behaviorist literature where
they do that, it would be supportive of your argument.
This isn't a very new argument, but it seems to be a nice summary of
your observations.
Thanks,
--
Eray Ozkural |
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| Michael Olea |
Posted: Sun Dec 28, 2003 3:35 pm |
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in article ehvY5YBXmx7$EwMG@longley.demon.co.uk, David Longley at
David@longley.demon.co.uk wrote on 12/28/03 9:57 AM:
Quote: In article <3FEEFBCC.7080002@xympatico.ca>, Joe Legris
jalegris@xympatico.ca> writes
David Longley wrote:
In article <3FED9523.6@xympatico.ca>, Joe Legris
jalegris@xympatico.ca> writes
David Longley wrote:
In article <1461e0ed.0312262050.37ba21de@posting.google.com>,
abwatson <albertbwatson@yahoo.com> writes
David Longley <David@longley.demon.co.uk> wrote in message
news:<bI9JTMDeGI7$EweF@longley.demon.co.uk>...
This newsgroup is about the philosophy or methodology of AI. Silly
people like Zero, Ozkural, Michaels etc just don't understand
enough to
be able to see that what Glen, I and a few others have been trying to
get folk to see, is how the good research is actually done, and where
it's effective, why it's effective. It's effective because the
approach
is fundamentally behaviourist - it's effective because it applies the
extensional stance.
It's effective because it applies the scientific method. It gives us
new understanding because of the new technologies invented over the
past 50 years, and applied every day in new experiments. New knowledge
bootstraps off older knowledge. You can call it what you like.
And those new technologies have come from application of the
extensional stance.
The scientific method is the extensional stance (at least as Quine
explicates "the scientific method"). Science is really just another
word for "knowing" and the extensional stance is something we have
collectively learned to do a refinement of our natural folk
psychology. For that reason, we eschew our intensional folk
psychology when engaged in "the pursuit of truth" (science).
For some time now, efforts have been made to show how Radical
(Skinner etc) and Evidential (Quine etc) Behaviourism is
pragmatically what matters when we report effective scientific
research. Many people ignore the rest, or regard it as harmless
speculation.
This all makes sense, but what have you got against the concepts of
information processing and storage? They are hardly just "metaphors"
- metaphors for what? Modern science could not exist without them.
You can trust Glen on this. What he says he says well, and he says
representatively. I'm also a little surprised that you find "Verbal
Behavior" an easy read by the way - it rings warning bells. When one
starts psychology one tends to go for the "interesting ideas" - in
time, one comes to appreciate how hard it is to do the sort of
research that Skinner did, and how hard it is to write as clearly and
directly as he and Quine. All too many in this (and related)
newsgroups are seduced by what really amounts to good creative
writing - or neat logical game playing - if you look closely you'll
see that's what many seem to be attracted to - not clear empirical
content. Sadly, many can't see this as they never get to see the real
scope of Skinner's work and its applicability to all forms of
behavioural engineering (which is basically what comp.ai.philosophy
is really addressing in my view). As well as reading "Verbal
Behavior" you really should make sure you have read some of the work
on contingencies of reinforcement - playing with SNIFFY is something I'd
recommend as well.
(This was a much longer post, but I thought better of it - hope this
suffices).
Sizemore's view of information processing, "It is irrelevant to call
the neurons 'information processors' because, at least as far as I can
see, anything may be called 'information processing'.", cannot be taken
seriously. It is obvious that many things in the brain are not
profitably seen as IP. And the things that do appear to be IP are not
all the same, they have particular characteristics.
Well, I think Glen's views on this *can* be taken seriously. Miller and
Frick tried applying Shannon's theory to operant conditioning work in
Miller's first work back in 1949. After that, attempts were made to
apply it to just about everything form neurones to reaction time. There
were attempts to apply it to most of the data summarised by the
Rescorla-Wagner model in one contribution to a series of volumes on
Behavior Analysis in the early 80s and it was really all of this that
allowed Chomsky to use Information Theory as a foil to introduce his
Recursive Function Theoretic analysis of languages back in the late 50s.
The facts are that Information Theory never really caught on in
psychology, and the reason why it didn't was because it was empirically
sterile. Most of what it led to as "Cognitive Psychology" has proven
sterile too - and those responsible for it have been pretty much as
critical as Glen and I have if you look into it. In time, those who have
been critical of what we have said will see this for themselves - the
papers are out there.
"Just the facts, ma'am". -- Joe Friday, "Dragnet"
Maybe psychopysics does not count as psychology. Google turns up about 1,520
hits on "Exploring the neural code". Here's one:
http://cscs.umich.edu/~crshalizi/reviews/spikes
It concludes:
=== start quote ===
This is obviously damn good science, and would make Spikes worth reading
though its authors wrote like literary critics. Thankfully, they don't, and
the book is a positive pleasure to read, clear, unpedantic, aware of the
history on which it builds, and possessed of a restrained but noticeable and
welcome sense of humor (e.g. citing George Carlin's ``Seven Words You Can
Never Say on Television''). Between the response functions, the fondness for
working in the frequency domain rather than the time domain, and the
references to Horowitz and Hill, physicists, electrical engineers,
probabilists, etc. will feel quite at home; for the comfort of the less
mathematically inclined among the biologists, there are ninety pages of
``mathematical asides,'' together forming a decent course in information
theory and time-series analysis accessible to anyone who remembers how to
integrate, and there is not a single model. This is a really fun book which
lays new paths across a very important field, and is accessible to almost
anyone with an education in the natural sciences; in a word, a treasure.
=== end quote ===
"Spikes: Exploring the neural code" is in the "Computational Neurosciences
series". MIT Press (1997). It's one of those attempts to apply Shannon's
information theory to neurons. Its emperical sterility is not readily
apparent, deceiving even bona fide researchers into calling it a treasure.
What is the object of the sterile excercise:
=== start quote ===
When we see, we are not interpreting the pattern of light intensity
that falls on our retina; we are interperting the pattern of spikes
that the millions of cells of our optic nerve send to the brain.
When we hear, we are not interperting the patterns of amplitude and
frequency modulation that characterize the accoustic waveform; we are
interperting the patterns of spikes from roughly thirty thousand auditory
nerve fibers. All the myriad tasks our brains perform in the processing
of incoming sensory signals begin with these sequences of spikes. When
it comes time to act on the results of these computations, the brain
sends out sequences of spikes to the motor neurons. Spike sequences are
the language for which the brain is listening, the language the brain
uses for its internal musings, and the language it speaks as it talks
to the outside world.
If spikes are the language of the brain, we would like to provide a
dictionary. We would like to understand the structure of this dictionary,
perhaps even providing the analogue of a thesaurus. We would like to know,
if, as in language, there are notions of context that can influence the
meaning of the individual words. And of course we would like to know
whether our use of the linguistic analogy makes sense. We must travel a
long road even to give these questions a precise formulation. We begin at
the begining, more than two centuries ago.
=== end quote ===
It seems that knowing what's been done, what's been rejected and where we
are now, is not enough to dissuade Rieke et al:
=== start quote ===
Since the appearance of Shannon's pioneering papers in 1948-49, many
authors have expressed the hope that information theory would provide a
natural language for the discussion of neural coding, and perhaps even for
the analysis og higher computational functions of the brain. Despite
considerable effort, even measuring the information carried by a single
spike train has been difficult. Some of the problems are related to the
usual plague of insufficient data, but there are some more fundamental
questions about what it means to make such measurements. Here we try to
clarify these questions, then review some experiments that build an
information theoretic analysis on top of the classical Adrian-Hartline
experimental design. Finally we discuss the use of the stimulus
reconstruction technique to quantify information transmission rates under
conditions of continuous sensory stimulation.
=== end quote ===
So what?
"A joy to read. . . . This book will undoubtedly become a classic. The ideas
presented in it have already begun (in no small part through the work of the
authors) to reshape our views of the neural code. This book will make them
accessible to a much wider audience." -- Anthony Zador, Science
Quote:
The point is that the brain may change as a function of experience but
what people like to call information or meanings are not in the head per
se. If one looks into the recent philosophy of all of this, one will
find that even the philosophers of mind are saying this. It may all
sound like Glen and I are fighting a rear-guard action, but in fact,
time will show that we are up there at the front. It's people like
Ozkural and Michaels, Zero etc who just don't know enough of what's been
done, what's been rejected and where we are now. That's because despite
their claims, they are not bona fide researchers - they're amateurs and
students.
Approaches are tried, rejected, and sometimes revived. Were Rumelhart and
McClleland unaware of Minsky and Papert's "Perceptrons"? Did Vapnik and
Chervonenkis overlook Duda and Hart's conclusion that while statistical
learning theory was elegant it was of no practical use for problems of
machine learning ("Support Vector Machines", based largely on the work of
Vapnik and Chervonenkis are the current state of the art, outperforming and
displacing neural nets for tasks like handwritten digit recognition)?
None of this is to disparage the "experimental analysis of behavior", only
to point out that the characterization of the application of Shannon's
information theory to the study of spiking neurons as "sterile, been done,
been rejected" is at odd with the "facts".
Quote:
Do you think IP concepts would apply to SNIFFY's behavior?
You could look at it that way I guess - it's a program - but apart from
that, its a simulation.
I didn't say that VB is an easy read, Sizemore did (this tactic gives
him a convenient position to ridicule, especially if others blindly
believe him). I said the book is not particularly difficult. Kant is
difficult.
OK - compared to Kant it may be an easier read - I'll grant you that.
I'm not sure Glen's purpose is to ridicule you. If you say something
silly he may well do so - would that be such a bad thing? In my
experience he tends to be fair. |
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| Neil W Rickert |
Posted: Sun Dec 28, 2003 7:52 pm |
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David Longley <David@longley.demon.co.uk> writes:
Quote: In article <bsn727$id3$1@usenet.cso.niu.edu>, Neil W Rickert
rickert+nn@cs.niu.edu> writes
David Longley <David@longley.demon.co.uk> writes:
In article <bsmqu0$djg$1@usenet.cso.niu.edu>, Neil W Rickert
rickert+nn@cs.niu.edu> writes
Science is basically pragmatic -- looking for what works. Religion
purports to be seeking some imagined metaphysical truth.
And historically - pre 1951 - science was (by the logical positivists at
least) defined as "the pursuit of truth" (synthetic statements), and
And that has a lot to do with why logical positivism was so nonsensical.
philosophy the analysis of meaning. Hence Quine's summary book "Pursuit
of Truth" (1992).
It is based on the nonsense that is logical positivism.
This has nothing to do with seeking metaphysical truth.
Science constructs its own pragmatically based criteria for truth.
Logical positivism presumes that some sort of truth pre-exists
without such construction. You cannot make sense of that except on
the assumption that "truth" is used as a metaphysical notion (even if
positivists claimed to reject metaphysics).
It has nothing to do with "truth" pre-existing - it is about statements
being true or false.
Statements, as physical objects, are marks on paper or patterns of
illuminated pixels, or vibrations in air. Neither "true" nor "false"
is a property of such marks or vibrations. Rather, "true" or "false"
is a property that people ascribe to those marks or vibrations.
You can ask what are the criteria by which they make these ascriptions
of truth or falsity. But philosophers always evade such questions.
Hmm, I suppose that a behaviorists might say that how people ascribe
truth is a matter of conditioning. But that would seem to imply that
truth is socially constructed.
Quote: The point to grasp (especially in this forum) is
the scope and language of science.
Well sure. That's about what I would expect. Namely, that Longley
thinks of science as some kind of language game. But that
characterizes pseudo-science, not real science.
Quote: The theory of truth in this context
is basically Tarski's "disappearance, or disquotational" theory.
Tarski's theory was on a theory of truth for a formal language, and
it presupposes that there is already notion of truth available in
natural language. Tarski gives no guidance at all to the basis for
truth of natural language statements. |
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| Lester Zick |
Posted: Sun Dec 28, 2003 8:31 pm |
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On 28 Dec 2003 12:07:48 -0800, erayo@bilkent.edu.tr (Eray Ozkural
exa) in comp.ai.philosophy wrote:
Quote: lesterDELzick@worldnet.att.net (Lester Zick) wrote in message news:<3feb8787.2647984@netnews.att.net>...
In other words the only way behaviorism has to analyze behavior is to
characterize various behavioral forms in purely nominal terms
amounting to nothing more than simplistic and naive distinctions like
public, private, emitted or whatever. And what makes such distinctions
significant? Because behaviorists can reliably define words like these
without reference to behavior in general.
This is probably a paragraph worth discussing. I wish I had not jumped
on Doktor DynaSaur's attack on you and had answered this instead.
You are essentially saying that behaviorists are rejecting the
existence of complex problems because they can only deal with very
simple cases. Is that right?
That would be valid meta philosophy I guess. :)
If you could give a few examples from behaviorist literature where
they do that, it would be supportive of your argument.
This isn't a very new argument, but it seems to be a nice summary of
your observations.
I'm not sure I can give examples in the sense you mean. I think what
I'm suggesting is that if one cannot define some specific key concept
such as behavior, it is often better to complicate the analysis with
variants of the key concept that you can define. In other words if one
cannot define behavior exactly one might be better off embracing
variants of behavior like public, private, emitted and so on because
these latter terms are much more easily defined and will leave the
impression that one has defined behavior when all one is doing is
repeating the undefined term behavior in different contexts.
In point of fact we have no idea whether such things as public,
private, emitted and so on kinds of behavior represent necessary
distinctions in mechanical terms because we don't have any exact
understanding of what behavior itself means and behaviorism doesn't
shed any light on that subject. Just because behavior is public or
private or emitted or not doesn't mean it's significantly different in
mechanical terms from behavior in general. In other words these are
trivial distinctions unless the idea of behavior in cognitive beings
is defined first. And that is something behaviorism is unable to do.
So I think in response to your question I would have to say that
behaviorists are actually embracing complex behavioral issues to avoid
dealing with the simple issue of what behavior means in mechanical
terms. They simply evade the issue by claiming the definition of
behavior has been done somewhere else and quickly move on to the
analysis of behavioral variants they feel more comfortable with.
This is really the reason behaviorists insist on their own jargon. It
isn't that the terms they use are more precise. It's that their own
terms are all they understand behavior in terms of. They don't know
what behavior in cognitive beings actually means apart from those
variants of behavior so they have no way to relate the significance of
behavior in general to anyone elses ideas on the subject. The only
thing they have are those terms cast in terms of a subject they don't
understand. So they have to convey whatever thoughts they have on the
subject in those terms.
As for the attacks of behaviorists, I would suggest that you not
concern yourself so much. I really think that you, Omega, and some
others take behaviorists much too seriously. I've seen some very
esoteric arguments attacking the validity of behaviorism but what the
problem really amounts to is that behaviorists don't understand what
behavior is. So anything they have to say on the subject of behavioral
variants is really beside the point.
Now I don't necessarily think that cognitive science knows what
behavior represents in mechanical terms either. But at least they have
the locus of cognition much more firmly and correctly established.
Behaviorists on the other hand are out there in outer space looking
for environmental circumstances whose relevance they don't even
understand because they don't understand the nature of behavior to
begin with.
Regards - Lester |
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| Doktor DynaSoar |
Posted: Mon Dec 29, 2003 2:27 am |
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On Sun, 28 Dec 2003 13:25:22 GMT, "Glen M. Sizemore"
<gmsizemore2@yahoo.com> wrote:
} GS: Hi. Not that I disagree with much of what you wrote but, for the record,
} what I view as behaviorism is not antithetical to neuroscience. Behaviorism
} simply says that behavior can be understood as a subject matter in its own
} right, and can be so considered without viewing it as a symptom of the
} activities of the "mind" or brain. The position also typically holds that
} the elucidation of behavioral processes at the behavioral level is essential
} to the goal of eventually understanding the relation between behavior and
} neurophysiology. Behavioral facts (especially uncovered by behavior
} analysis, since they are known to be reliable and general and to have
} relevance to the behavior of individuals) are "what is to be explained."
}
} Respectfully,
}
} Glen
Thanks, Glen.
Actually, I have to agree in principle, in as much as both are
conducted in an empirical manner. Plus, behaviorism serves as a major
source of hypotheses for testing.
I suppose my personal outlook on the subject comes from a quote by
Skinner, that my mentor Karl Pribram chose as sort of a motto for the
Third Appalachian Conference on Behavioral Neurodynamics: "Behaviorism
by itself cannot account for everything. For that we require the brain
sciences." |
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| Doktor DynaSoar |
Posted: Mon Dec 29, 2003 2:32 am |
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On Sun, 28 Dec 2003 13:52:58 +0000, David Longley
<David@longley.demon.co.uk> wrote:
} Whilst I think you are right to pick Ozkural up on his irrational
} rhetoric, I'm not sure why a professional neuroscientist would say that
} their position is "as antithetical as you can get from being a
} behaviorist". I trained in neuroscience, and worked with some of the
} best in their field. I don't think any of them would subscribe to that
} view.
}
Quite so. Part of my reaction was due to my own viewpoint, which I
described just prior in my response to Glen. Not anti-thetical, but
definitely the required extension, as per Skinner himself.
As for my delivery, I'll make no apologies. Sometimes it takes deft
application of a clue by four to make a point, and sometimes that
point really just focuses on "shut up".
Consider it corrective phrenology. |
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| Doktor DynaSoar |
Posted: Mon Dec 29, 2003 2:55 am |
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On 28 Dec 2003 07:29:59 -0800, erayo@bilkent.edu.tr (Eray Ozkural
exa) wrote:
} Let the readership decide who is an idiot:
Fine. Let's make it easy on them and take it a bit at a time. You can
help.
} 1. A computer scientist who explores the philosophical problems
} regarding the computational view of the mind.
A field which is as close to drowning in irrefutable rhetoric as any
other fundamentalist religion. Typically they jump into "quantum" or
"holographic" or similar improperly understood and applied concepts,
and generate untestable "theories".
OK, I'll show you mine if you show me yours. Let's see a computer
science reference. NOT philosophy, NOT irreducible abstrractions such
as "mind" or "consciousness". Computer SCIENCE.
} 2. A USENET crank with a silly handle as yourself who claims to be a
} reputable scientist (I don't care what your field is)
Here's mine. I'm second author on this one. But this is the first
published instance of my nonlinear analysis technique (ref: your
spankage regarding "mathematical ability").
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11755262&dopt=Abstract
Enhancement of auditory sensory gating and stimulus-bound gamma band
(40 Hz) oscillations in heavy tobacco smokers. Neurosci Lett. 2002 Jan
14;317(3):151-5.
} and at the same
} time believes in an outdated philosophical theory which was ridiculed,
} dismantled and eradicated several decades ago.
You really do have some sort of serious cognitive deficiency, don't
you? You just can't seem to grasp that someone who understands the
fact that your boneheaded anti-behaviorist blather is rancid, recycled
brain tripe, is not necessarily a behaviorist.
Fine with me. It makes my job easier when you publically prove your
inability to actually conduct the level of argumentation necessary to
be someone...
} who explores the philosophical problems regarding the computational view of the mind...
.... in any sense other than the imaginary. |
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| David Longley |
Posted: Mon Dec 29, 2003 5:21 am |
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In article <lslvuvgbkgc4ubf2ag4enmvmkqa76t5ea0@4ax.com>, Doktor DynaSoar
<targeting@OMCL.mil> writes
Quote: On Sun, 28 Dec 2003 13:52:58 +0000, David Longley
David@longley.demon.co.uk> wrote:
} Whilst I think you are right to pick Ozkural up on his irrational
} rhetoric, I'm not sure why a professional neuroscientist would say that
} their position is "as antithetical as you can get from being a
} behaviorist". I trained in neuroscience, and worked with some of the
} best in their field. I don't think any of them would subscribe to that
} view.
}
Quite so. Part of my reaction was due to my own viewpoint, which I
described just prior in my response to Glen. Not anti-thetical, but
definitely the required extension, as per Skinner himself.
As for my delivery, I'll make no apologies. Sometimes it takes deft
application of a clue by four to make a point, and sometimes that
point really just focuses on "shut up".
Consider it corrective phrenology.
Ok.
One of the problems (in c.a.p at least) is that all too many look to the
neurosciences as a panacea for all the substantial problems which have
troubled philosophers of mind, psychologists and "AI" researchers for
decades if not centuries. The fact that the brain is involved in
behaviour is no great discovery, nor that different parts of the brain
are involved in different kinds of behaviour. There *is* a new
phrenology - and it tends to be practised with the same vacuous
Molieresque subterfuge as psychoanalysis used to be - except now the
drug companies and publishing houses promulgate it with modern marketing
techniques. Most who are seduced by the new rhetoric just don't know
enough to see through it. One of the most heavily researched areas in
neuroscience is the role of the monoamines in behaviour - and yet after
fifty years we are still not a lot further forward (despite what the
naive may believe) and the reasons are at least in part I believe,
because of the obstructive influence of folk psychology..
As I see it, the greatest impediment to the advancement of the science
of behaviour is the language of our folk psychology, and before anyone
starts talking about how the brain is involved in behaviour or how to go
about building "intelligent machines" we have to change the way we talk
about these matters.
The sort of exchanges one finds in c.a.p are just a very extreme form of
what happens elsewhere - the ratio of sense to nonsense in posts, is, I
think, at least partly a function of how immersed the poster is in our
primitive folk psychology.
--
David Longley |
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| David Longley |
Posted: Mon Dec 29, 2003 5:50 am |
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In article <86mvuv4ipuc1etmcchfmufc4i6b4l4cjp1@4ax.com>, Doktor DynaSoar
<targeting@OMCL.mil> writes
Quote: On 28 Dec 2003 07:29:59 -0800, erayo@bilkent.edu.tr (Eray Ozkural
exa) wrote:
} Let the readership decide who is an idiot:
Fine. Let's make it easy on them and take it a bit at a time. You can
help.
} 1. A computer scientist who explores the philosophical problems
} regarding the computational view of the mind.
A field which is as close to drowning in irrefutable rhetoric as any
other fundamentalist religion. Typically they jump into "quantum" or
"holographic" or similar improperly understood and applied concepts,
and generate untestable "theories".
OK, I'll show you mine if you show me yours. Let's see a computer
science reference. NOT philosophy, NOT irreducible abstrractions such
as "mind" or "consciousness". Computer SCIENCE.
} 2. A USENET crank with a silly handle as yourself who claims to be a
} reputable scientist (I don't care what your field is)
Here's mine. I'm second author on this one. But this is the first
published instance of my nonlinear analysis technique (ref: your
spankage regarding "mathematical ability").
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&lis
t_uids=11755262&dopt=Abstract
Enhancement of auditory sensory gating and stimulus-bound gamma band
(40 Hz) oscillations in heavy tobacco smokers. Neurosci Lett. 2002 Jan
14;317(3):151-5.
} and at the same
} time believes in an outdated philosophical theory which was ridiculed,
} dismantled and eradicated several decades ago.
You really do have some sort of serious cognitive deficiency, don't
you? You just can't seem to grasp that someone who understands the
fact that your boneheaded anti-behaviorist blather is rancid, recycled
brain tripe, is not necessarily a behaviorist.
Glen and I have picked folk up (at least in c.a.p) on this sort of thing
ad nauseam. It makes no difference, they keep on behaving the same way.
Many argue against the only way out in fact. This is one of the reasons
I keep saying that their behaviour is grist to my mill (see papers on
"Cognitive Skills" and "What Works" at http://www.longley.demon.co.uk".
I've made much of the point that our intensional folk psychological
heuristics have biases which are so resistant to correction that
whatever systems these guys think they may be interested in emulating as
"intelligent" behaviour, they had better ensure that they know how and
why what I refer to as "the extensional stance" works has evolved to
work the way that it does, and if what I have put together is sound, it
may have amount to a bleak message for those with romantic ideas about
general purpose "AI".
It certainly should deter them from looking to neuroscience for answers.
--
David Longley |
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| David Longley |
Posted: Mon Dec 29, 2003 6:14 am |
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In article <bsoff6$1t8$1@usenet.cso.niu.edu>, Neil W Rickert
<rickert+nn@cs.niu.edu> writes
Quote: David Longley <David@longley.demon.co.uk> writes:
In article <bsn727$id3$1@usenet.cso.niu.edu>, Neil W Rickert
rickert+nn@cs.niu.edu> writes
David Longley <David@longley.demon.co.uk> writes:
In article <bsmqu0$djg$1@usenet.cso.niu.edu>, Neil W Rickert
rickert+nn@cs.niu.edu> writes
Science is basically pragmatic -- looking for what works. Religion
purports to be seeking some imagined metaphysical truth.
And historically - pre 1951 - science was (by the logical positivists at
least) defined as "the pursuit of truth" (synthetic statements), and
And that has a lot to do with why logical positivism was so nonsensical.
philosophy the analysis of meaning. Hence Quine's summary book "Pursuit
of Truth" (1992).
It is based on the nonsense that is logical positivism.
This has nothing to do with seeking metaphysical truth.
Science constructs its own pragmatically based criteria for truth.
Logical positivism presumes that some sort of truth pre-exists
without such construction. You cannot make sense of that except on
the assumption that "truth" is used as a metaphysical notion (even if
positivists claimed to reject metaphysics).
It has nothing to do with "truth" pre-existing - it is about statements
being true or false.
Statements, as physical objects, are marks on paper or patterns of
illuminated pixels, or vibrations in air. Neither "true" nor "false"
is a property of such marks or vibrations. Rather, "true" or "false"
is a property that people ascribe to those marks or vibrations.
You can ask what are the criteria by which they make these ascriptions
of truth or falsity. But philosophers always evade such questions.
Hmm, I suppose that a behaviorists might say that how people ascribe
truth is a matter of conditioning. But that would seem to imply that
truth is socially constructed.
The point to grasp (especially in this forum) is
the scope and language of science.
Well sure. That's about what I would expect. Namely, that Longley
thinks of science as some kind of language game. But that
characterizes pseudo-science, not real science.
The theory of truth in this context
is basically Tarski's "disappearance, or disquotational" theory.
Tarski's theory was on a theory of truth for a formal language, and
it presupposes that there is already notion of truth available in
natural language. Tarski gives no guidance at all to the basis for
truth of natural language statements.
All of these points have been addressed and resolved a number of times
before (if others look back through the archives they'll see that). The
fact that you haven't retained any of that really just shows how
pointless it is explaining anything to you - after all - your main line
seems to be that you will resist being indoctrinated by behaviourists
every time you come close to understanding what has been explained. This
is frequently followed one or two posts later by the absurd remark that
nothing is ever explained to you!!.
My advice (which no doubt you will reject or post some other silly
response to) is that in your own best interests, you should 1) spend
some time reading and understanding the findings of Tversky and Kahneman
instead of arguing against their conclusions, 2) get a better grasp of
what the notion of intensional opacity indicates about our folk
psychology, and 3) consider the possibility that resistance to the
Extensional Stance may amount to a self defeating program of stupidity -
one you have adopted for quite irrational reasons - and one you (perhaps
inadvertently) share with several others in this newsgroup.
--
David Longley |
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| David Longley |
Posted: Mon Dec 29, 2003 6:28 am |
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In article <3fef7e0c.31513518@netnews.att.net>, Lester Zick
<lesterDELzick@worldnet.att.net> writes
Quote: On 28 Dec 2003 12:07:48 -0800, erayo@bilkent.edu.tr (Eray Ozkural
exa) in comp.ai.philosophy wrote:
lesterDELzick@worldnet.att.net (Lester Zick) wrote in message
news:<3feb8787.2647984@netnews.att.net>...
In other words the only way behaviorism has to analyze behavior is to
characterize various behavioral forms in purely nominal terms
amounting to nothing more than simplistic and naive distinctions like
public, private, emitted or whatever. And what makes such distinctions
significant? Because behaviorists can reliably define words like these
without reference to behavior in general.
This is probably a paragraph worth discussing. I wish I had not jumped
on Doktor DynaSaur's attack on you and had answered this instead.
You are essentially saying that behaviorists are rejecting the
existence of complex problems because they can only deal with very
simple cases. Is that right?
That would be valid meta philosophy I guess. :)
If you could give a few examples from behaviorist literature where
they do that, it would be supportive of your argument.
This isn't a very new argument, but it seems to be a nice summary of
your observations.
I'm not sure I can give examples in the sense you mean. I think what
I'm suggesting is that if one cannot define some specific key concept
such as behavior, it is often better to complicate the analysis with
variants of the key concept that you can define. In other words if one
cannot define behavior exactly one might be better off embracing
variants of behavior like public, private, emitted and so on because
these latter terms are much more easily defined and will leave the
impression that one has defined behavior when all one is doing is
repeating the undefined term behavior in different contexts.
In point of fact we have no idea whether such things as public,
private, emitted and so on kinds of behavior represent necessary
distinctions in mechanical terms because we don't have any exact
understanding of what behavior itself means and behaviorism doesn't
shed any light on that subject. Just because behavior is public or
private or emitted or not doesn't mean it's significantly different in
mechanical terms from behavior in general. In other words these are
trivial distinctions unless the idea of behavior in cognitive beings
is defined first. And that is something behaviorism is unable to do.
So I think in response to your question I would have to say that
behaviorists are actually embracing complex behavioral issues to avoid
dealing with the simple issue of what behavior means in mechanical
terms. They simply evade the issue by claiming the definition of
behavior has been done somewhere else and quickly move on to the
analysis of behavioral variants they feel more comfortable with.
This is really the reason behaviorists insist on their own jargon. It
isn't that the terms they use are more precise. It's that their own
terms are all they understand behavior in terms of. They don't know
what behavior in cognitive beings actually means apart from those
variants of behavior so they have no way to relate the significance of
behavior in general to anyone elses ideas on the subject. The only
thing they have are those terms cast in terms of a subject they don't
understand. So they have to convey whatever thoughts they have on the
subject in those terms.
As for the attacks of behaviorists, I would suggest that you not
concern yourself so much. I really think that you, Omega, and some
others take behaviorists much too seriously. I've seen some very
esoteric arguments attacking the validity of behaviorism but what the
problem really amounts to is that behaviorists don't understand what
behavior is. So anything they have to say on the subject of behavioral
variants is really beside the point.
Now I don't necessarily think that cognitive science knows what
behavior represents in mechanical terms either. But at least they have
the locus of cognition much more firmly and correctly established.
Behaviorists on the other hand are out there in outer space looking
for environmental circumstances whose relevance they don't even
understand because they don't understand the nature of behavior to
begin with.
Regards - Lester
I've only scanned the above as it seems to me that Zick has his head so
far up his rectum that he has little chance of seeing anything
worthwhile. Point by point challenges would require me to want to invest
more time on him that I would find worthwhile - he just doesn't listen
and he doesn't read.
I've posted the following before in response to other peoples'
misconceptions, and it seems worth posting again. It is meant for
others, as I'm pretty such Zick won't understand the metaphor of
Neurath's (or Theseus') Boat. Nor will he understand what "Ontological
Relativity" (1969) was all about.
oOo
Posted back in early November:
Ok, Do a Google search on "Five Milestones of Empiricism" and look at
Groups (after a quick look at anything on web that catches your
interest). You'll the former lists 10 past messages from me to this
newsgroup.
Here's one from Oct '97.
oOo
First of all it's important to understand that the focus is on
the use of LANGUAGE. Quine's book from which this is taken is
about the use of language and how it is learned. He takes each
gramatical part of language and analyses how they are used, and
when it comes to those elements which are psychological verbs, or
the "propositional attitudes" he highlights something odd about
them - is the failure of extensionality (substitutivity of
identicals "salva veritate"). Note, what's being discussed here
is verbal behaviour, our use of words and sentences.
To appreciate why he focuses on language it might help to read
some of "The Five Milestones of Empiricism".
'We want to know how men can have achieved the
conjectures and abstractions that go into scientific
theory. How can we pursue such an inquiry whilst talking
of external things to the exclusion of ideas and
concepts? There is a way: we can talk of language. We
can talk of concrete men and their concrete noises.
Ideas are as may be, but the words are out there where
we can see and hear them. And scientific theories,
however speculative and however abstract, are in words.
One and the same theory can be expressed in different
words, so people say, but all can perhaps agree that
there are no theories apart from words. Or, if there
are, there is little to be lost in passing over them.'
-
Quine (1973)
Breaking into Language
The Roots of Reference p 35
The 'Five Milestones of Empiricism' (Quine 1981) represent a
progressive shift from the 'idea' to 'the word', to 'the
sentence' to 'systems of sentences' to 'methodological monism'
(the abandonment of the analytic-synthetic distinction) and
finally to 'naturalism' (that there is no 'first philosophy').
Along the way, the borders between psychology and linguistic
philosophy, and both of these and the rest of science has
somewhat dissolved. In Quine's words, 'Philosophy of Science is
Philosophy enough'. Empiricism proper therefore has no place for
'psychology' in the guise of Cognitive Science, and is more
likely to naturalise behavioural science into disciplines
which focus on particular domains of human behaviour such as
'law', 'management', 'marketing' 'prison governership', 'landing
officership' etc. These are logical, not capricious conclusions.
With the demise of philosophy and psychology as
'ontic' disciplines, one has to at least consider the
possibility that what is studied under the auspices of
their names are perhaps pseudoproblems. The 'intensional
idioms', or 'idioms of propositional attitude' are not, from
this perspective, 'marks of the mental' or 'cognitive
representations' but GRAMMATICAL or LINGUISTIC anomalies .
There will still be collections of folk who, for one reason or
another continue to call themselves psychologists, astrologers,
etc etc - perhaps more out of ignorance & a penchant for mystery.
But as covered at length elsewhere, saying 'one can't quantify
into propositional attitudes' is not 'legislative' but
explicative of a linguistic anomaly. Attempts to quantify into
propositional attitudes are prone to go awry, and for well
understood reasons - because there are 'bugs' in language. A lot
of work has been invested in trying to understand the nature of
these bugs. Quine in particular has taken a 'genetic' (ie
ontogenetic) approach suggesting that they represent
application of grammatical rules in contexts where they are
nevertheless inappropriate (ie 'quantifying in' is ok with
some sentence elements (see below) but not others). Once one
accepts that work with 'cognitions' is work with verbal
behaviour, one should see why there is no reason to expect
there to be a relationship between work with such verbal
behaviour & the rest of an individual's repertoire of behaviour.
There MAY be, but it's rather akin to expecting training in
squash to generalise to tennis. Such training may well
transfer, but even if it does the transfer may be negative.
To say that there is no stable relationship between 'beliefs' and
other behaviour is not therefore to make some vague metaphysical
conjecture about 'mental stuff and physical stuff' but
rather to explicate a characteristic of a linguistic anomaly
which is definitive of the intensional idioms (propositional
attitudes and modal contexts). This must be so if one
passes the five milestones of empiricism alluded to at the
start of this note. I have recommended elsewhere that the work
of the mathematical logicians who have undertaken these analyses
should be looked at very carefully by psychologists,
particularly applied ones, since these logicians are in effect
telling us what is POSSIBLE within the basic infrastructure which
comprises scientific if not all analysis.
'Contextual definition precipitated a revolution in
semantics: less sudden perhaps than the Copernican
revolution in astronomy, but like it in being a shift of
center. The primary vehicle of meaning is seen no longer
as the word, but as the sentence. Terms, like
grammatical particles, mean by contributing to the
meaning of the sentences that contain them. The
heliocentrism propounded by Copernicus was not obvious,
and neither is this. It is not obvious because, for the
most part, we understand sentences only by construction
from understood words. This is necessarily so, since
sentences are potentially infinite in variety. We learn
some words in isolation, in effect as one-word
sentences; we learn further words in context, by
learning various short sentences that contain them; and
we understand further sentences by construction from the
words thus learned. If the language that we thus learn
is afterward compiled, the manual will necessarily
consist for the most part of a word-by-word dictionary,
thus obscuring the fact that the meanings of words are
abstractions from the truth conditions of sentences that
contain them.'
Quine (1981)
The five Milestones of Empiricism
Theories and Things p.69
'Naturalism does not repudiate epistemology, but
assimilates it to empirical psychology....
...The naturalistic philosopher begins his reasoning
within The inherited world theory as a going concern. He
tentatively believes all of it, but believes also that
some unidentified portions are wrong. He tries to
improve, clarify, and understand the system from within.
He is the busy sailor adrift on Neuraths's boat.'
W.V. Quine (1975)
Five Milestones of Empiricism
Theories and Things (1981)
oOo
--
David Longley |
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