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2. YWHY: Mind: the Argument
from Evolutionary Biology, ( Virtual Reality -A
Working Model) [HTML] (VIEW AS PDF)
·
Note: This and the paper immediately
preceding it are the two most crucial papers on this site, (other than
the book itself). They define two very different paradigms
which, when combined, identify my proposal.
This is an expansion and
refinement of the second chapter of my book, (accessible below).
The Book:
Table of Contents, (Book): (all sections in PDF format).
(Note: Except for the highlighted,
hyperlinked listings, this is "list only".
The former will need Acrobat Reader (c), (Adobe PDF reader), free-linked
just above.
The full MS is
available above.
|
Introduction |
4 |
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Preface to Chapter 1, (on Realism as a Non-representative Model) |
12 |
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18 |
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Preface to Chapter 2: the Logical Problem -and Realism Again |
37 |
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48 |
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Introduction to Chapters 3,4 and 5, (Towards a Resolution of the Paradox) |
81 |
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Chapter 3. Biology Part II: Towards the Where and the What? (Maturana) |
84 |
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Preface to Chapter 4 |
112 |
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113 |
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Preface to Chapter 5, (the Final Step) |
149 |
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150 |
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156 |
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161 |
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165 |
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Appendix B, (Isomorphism and Representation) |
170 |
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Appendix C, (Mind-Body and Artificial Intelligence: Hubert Dreyfus) |
173 |
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Appendix D: (Roger Penrose) |
183 |
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Appendix E: Dogmatic Materialism and Reality |
187 |
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190 |
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Appendix G: An Outline of the Semantic Argument, (for Philosophers) |
198 |
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Appendix H: Extended Abstract |
205 |
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208 |
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Appendix I: A Few Graphical Illustrations |
233 |
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Appendix J: An Elaboration of the Discussion of Chapter 1 |
237 |
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Bibliography |
243 |
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(1) From the physicalist perspective,
what I propose is that mind is specifically a function of the organization of
behavior itself, not a function of knowledge. Loosely stated, I propose
that the brain/mind is the evolutionary result (by a multicellular
organism) of an optimization process -the self-organized evolutionary
optimization of blind behavior per se. In that process, our naive
physical "objects" are non-representative, purely behavioral
artifacts, but stable ones. (This, though biologically plausible, is a very
radical hypothesis, but I believe it is the only viable scientific pathway
to the solution of the other leg of the problem.)
These artifacts/"objects" are re-used
in the "intentional arc", (Merleau-Ponty), to test our (behavioral)
hypotheses -i.e. scientific and non-scientific. They are the ground for
the whole of cognition. But these artifacts, (our naive objects), need
not correlate hierarchically to absolute reality. (see W.J. Freeman for instance). It is necessary
only that they be locked into the re-entrant loop between action and perception
which passes we know not where. (Note how closely this perspective of
“circular causality” fits with modern quantum theory -i.e. in the Schrödinger
equation vis a vis
"measurement"!
“But there is
something very odd about the relation between the time-evolved quantum state’, (the
Schroedinger equation), “and the actual behaviour of the physical world that is observed to take
place. From time to time –whenever we
consider that a ‘measurement’ has occurred – we must discard the quantum state
that we have been laboriously evolving, and use it only to compute the various
probabilities that the state will ’jump’ to one or another of a set of new
possible states.” Penrose, 1989, pps. 226-227) But
each new instance of a measurement causes yet another “loop”! The mind is a probability machine. It must countenance each “measurement”
against our biologically innate object/artifacts and then recompute
its overall picture. This is what
cognition is.
I maintain that our mental “objects” are
the evolutionary yardstick we carry. They function to crystallize and
organize our input, and to crystallize and organize our output. But they must be maintained as the “working gears”, (alternatively the”A/D converters”), of perception! I argue that they are organizational
artifacts only. This is the answer to the question of how a non-hierarchical
mapping, (e.g. Walter Freeman's chaotic dispersive mapping, or Edelman's
non-topological "global mapping"), could function in cognition. I think it also gives a very pointed clue to
Penrose’s problem.
"In particular, Maurice
Merleau-Ponty in "The Phenomenology of Perception" [2] conceived of
perception" [itself] "as the outcome of the "intentional
arc", by which experience derives from the intentional actions of
individuals that control sensory input and perception. Action into the world
with reaction that changes the self is indivisible in reality, and must be
analyzed in terms of "circular causality" as distinct from the linear
causality of events as commonly perceived and analyzed in the physical
world." W.J. Freeman, 1997 {22}
This thesis supplies the perspective of
biology and the brain. It is our very own "cave of
shadows", (Plato), -but it need not even be projective! I
propose that it is the evolutionary result of a self-organized and virtual
optimization of pure response. It is a GUI, (graphic user interface),
rather than a “shadow”. Our "objects" are deep metaphors of
process, they are not objects, (even indirectly), of representation. (See my
“Exotic Mathematics” paper linked above.)
(2) Mind as the functional organization
of behavior gives us the first viable answers to the other profound
questions of mind. It gives answers to the "homunculus"
problem, to the "Cartesian theatre" problem, to the problem of
"meaning", and to Leibniz's pentultimately
profound question: how can the one know the many? These answers are found
in the specifically operative application of David Hilbert's
mathematical thesis of "implicit definition". Implicit definition
allows an operative knowledge specifically of functioning itself, (sans
a homunculus): it does not allow "representative
knowledge". But this is "knowing" in all the crucial
aspects we need! This is the perspective of "mind" itself and
constitutes my second and central hypothesis. We can know our
"objects" -if, (and only if), they are specifically (and
purely) operative objects! This is the
whole sense of Hilbert’s sally.
Mathematics has already solved this problem! (See my paper: “Exotic Mathematics…”
linked above for a deeper explanation.)
3) From there, my thesis gets harder,
but justifiably so, I think. Employing Ernst Cassirer's "Theory of
Symbolic Forms", I argue a case of ontic indeterminism as a legitimate
extension of Kant's work, and propose that this is the only plausible answer
for what it is that we must consider ourselves, (finally, that is,
scientifically) -as purely biological organisms. Organisms, (aka mechanisms), do not know, organisms do -organisms are
"triggered", (after Maturana)! Or rather, the only
"knowing" of which we are capable is an operative knowing!
Ontology is, and must always be, an indeterminate.
Dogmatic Materialism’s perspective on the
Mind-Brain problem:
=================================================================================================================
In the early days
of any science, art is as important as calculation. This is because conception
must occur before calculation or confirmation are even possible. Without
the beginnings in a plausible conception, there is nothing to calculate,
nothing to confirm. I believe we are in the very early days of the
science of the mind. I believe we are in a position in regards to the
mind-brain problem comparable to that of scientists in the early Copernican era
regarding the problems of physics and cosmology. There was no
viable conception at that time.
Copernicus reoriented the universe from the model of Ptolemy, and, as his
contemporaries could clearly see, it resulted in a profound simplification of
astronomical calculations. But consider the dilemmas this reorientation
imposed on the rest of the science, (and on the scientists), of the time.
What were its implications for the physicists’ understanding of ordinary
motion, for instance? Was it falsifiable? Was it even
comprehensible?
The physics of the time was Aristotelian, founded and appropriate in the
worldview of Ptolemy. Man stood at the center of an absolute, spatial
universe. Ordinary motion was absolute and rectilinear, and gravity was
trivial, (things simply found their natural level as regards the center of the
Earth). With Copernicus however, mankind supposedly rode a corkscrew
through space. Why did rocks therefore describe their simple paths when
hurled? Why was it not an impossibly difficult task to simply tie one’s
shoe in this purported cosmological dance? Within the Aristotelian
physics of the time, and under the Copernican hypothesis, even the laws of
simple motion should be different on the face of the moon than here –or there
–or anywhere. That is, they should be different, (under geometric
translation), if, in fact, they were universally translatable at all. (The
curve described by a thrown rock on the moon, (assuming Aristotelian
physics), ought to obey the dynamic laws of its twin on earth, but this would
require an accounting of the motion of the moon itself – hence its path would,
in fact, be a corkscrew for an astronaut there.) This situation is easily visualized using
another of Kuhn's examples -i.e. the mathematical equivalency between the
Copernican and the (earth centered) Tychonian
cosmological models. Kuhn argues very lucidly that a purely mechanical
model of the one can be turned into a model of the other by simply attaching
the earth to the model's base rather than the sun -i.e. it is an exact
mathematical "transformation"! All relationships
necessarily translate exactly because of the mechanical nature of the model!
It took Galileo’s further radical concept of the relativity of motion,
(Galilean relativity), to fix this problem, (mostly), and lead to his
beginnings of dynamic laws applicable to anywhere, anytime. It is an old
calumny against the Pope, I believe, that he charged Galileo to accept Copernicus’
view as a calculational device only. This is generally
accepted as a religious and solely selfish edict, (in support of the bible),
but, in the context of the times, it might more correctly be understood as a
necessity of the needs of the physics – the Aristotelian physics –then
current. Galileo’s relativity was as radical a reorientation as was
Copernicus’. It still “goes against the grain” somewhat, but –it works!
It still had to go through multiple stages, (each a work of art) –through the
conceptions of Kepler, et al, and finally through those of
The situation on the mind-brain problem today reminds me very strongly of James
Gleich's description of the beginnings of "Chaos
Theory", ("Chaos", James Gleich, pps. 36-37):
"Then there
are revolutions. A new science arises out of one that has reached a dead
end. Often a revolution has an interdisciplinary character - its central
discoveries often come from people straying outside the normal bounds of their
specialties. The problems that obsess these theorists are not recognized
as legitimate lines of inquiry. Thesis proposals are turned down or
articles are refused publication.....Every scientist who turned to chaos early
had a story to tell of discouragement or open hostility. Graduate
students were warned that their careers could be jeopardized if they wrote
theses in an untested discipline....Some journals established unwritten rules
against submissions on chaos....
New hopes, new styles, and,
most important, a new way of seeing. Revolutions do not come
piecemeal. One account of nature replaces another. Old problems are
seen in a new light, and other problems are recognized for the first
time. Something takes place that resembles a whole industry retooling for
new production. In Kuhn's words, 'It is rather as if the professional
community had been suddenly transported to another planet where familiar
objects are seen in a different light and are joined by unfamiliar ones as
well.' "
But isn't the latter just a reiteration of Kant's famous words?
"If in a new science which is wholly
isolated and unique in its kind, we started with the prejudice that we can
judge of things by means of alleged knowledge previously acquired -though this
is precisely what has first to be called in question -we should only fancy we
saw everywhere what we had already known, because the expressions have a
similar sound. But everything would appear utterly metamorphosed,
senseless, and unintelligible, because we should have as a foundation our own
thoughts, made by long habit a second nature, instead of the
author's." (Kant, Prolegomena, p.10)
On the subject of my own conceptions, I stand with Kepler:
“Now, since the
dawn eight months ago, and since a few days ago, when the full sun illuminated
my wonderful speculations, nothing holds me back. I yield freely to the
sacred frenzy; I dare frankly to confess that I have stolen the golden vessels
of the Egyptians to build a tabernacle for my God far from the bounds of
==================================================================================
No matter how we approach
it, the most difficult part of the mind-brain problem is consciousness
itself. But how do we start? How can we start? I think
we must explain consciousness -that is to say that I think we absolutely must
explain consciousness and not explain it away! But at the same time we
must retain the perspective of materialism -also absolutely. These
are the two basic prerequisites of realism and the ground we must stand
upon. It is imperative that we must retain both of them. But how
can we retain them both? How can we have our cake and eat it too?
This is the essence of the mind-body problem. Barring the discovery of
the "consciousness particle", (which I think will never happen), I
think I have evolved the first viable answer compatible with science.
Long ago, I saw a connection with a long resolved, purely mathematical problem
which seemed to show great promise for this problem of the brain as well.
It was the purely mathematical and logical conception of "implicit
definition" first conceived by the eminent mathematician David Hilbert over
a century ago. (Hilbert is widely regarded as the most significant
mathematician of the 20th century). "Implicit definition"
defined what "objects" as objects are for mathematics, just as
I propose that it also defines what objects are for the brain
itself. It suggested a new possibility of self-knowledge, opened the
first possibility of a "Cartesian theater", (Dennett) and it removed
the need for a "homunculus" altogether. It also opened a
genuine pathway to "knowing" for a biological organism. (Whatever
could that mean for a mechanism?), All this and without the price
that strict materialists demand of the problems. Implicit definition (as
such) has fallen into disfavor today however and is viewed as a flawed
conception. Mathematical "structuralism", a respected
philosophy of current mathematics, seems to furnish and validate the same
answer however. Mathematics is much richer conceptually than our current
physical notions acknowledge -and it still remains our lodestone into the
future.
In my book, I stated this perspective of implicit definition as my second
hypothesis, (though first conceived) -as the basis for a solution to the
problems of "mind" per se. For the sake of a linear and
comprehensible presentation, however, I was forced to begin with a strictly
materialist, physicalist description of brain function as I thought it would be
required by my readers to take my central theme seriously. Let me state a
caveat at the outset: the first two chapters of this book constitute a
constructive reductio ad absurdum of the ordinary scientific view of the
mind-brain relationship. Like the usual reductio arguments, they assume
that which we will ultimately refute. Do not let them deter you if you
are coming from a different perspective. …And yet they present what I
believe are superior answers to the specific problems they address –i.e. the
scientific perspective of the brain and the scientific perspective of the
mind. The work will not be for nothing, however, as those conclusions are
embodied in the perspective we will finally reach, albeit
relativistically.
My biological perspective is itself also absolutely legitimate
however. It furnishes the perspective required by my second and central
assertion furthermore. Each of these perspectives logically requires the
other, and their combined weight forces us into my third hypothesis which I
advance as an actual solution to the mind-brain problem. The answer to
the mind-brain problem lies in the expansion of epistemology beyond the mutual
boundaries of materialism and dualism. This is a surprising, but, I
believe, an absolutely necessary conclusion consistent with an intrinsic,
(though relativized), Darwinian perspective. It is supported by the
conclusions of Immanuel Kant and Ernst Cassirer, Gerald Edelman, Walter
J. Freeman. It is also supported by the blatantly obvious confusion
in the current dialogue.
As my first (physicalist/materialist) thesis, I proposed that mind is solely,
(and only), the biological coordinator of primitive, profoundly complex, and blind
metacellular process -pure and simple! It is an
optimized purely organizational scheme embodied in a "tactile"
graphic user interface, (GUI). Our "objects" are organizational
objects only, metaphors of behavioral process! This is a legitimate and
pure biological perspective, though radical, and is absolutely consistent with
a Darwinian perspective. But this aspect of my hypothesis is not good
enough for the whole of the problem, is it?
My second (mental) thesis of implicit definition resolves the problem from the
other end. It resolves the perplexities of mind from the standpoint of
implicit logic. Utilizing Hilbert's conception in a mechanistic context,
our mental objects are purely logical objects, implicitly defined by the
structure of the brain. As such, (following Hilbert), we are actually
allowed to know them. All the aspects of the "mental"
perspective are legitimate here to include the "Cartesian
theatre"! (There is no requirement of a homunculus, however!) But
these are not representative objects! It is in the conception of
"representation" that the problem arises. Representative
objects are not the right sort of objects to fit within mathematics qua
mathematics. Rather, our objects are logical objects implicit in
the evolutionary logical calculus of the brain, and that, echoing
What I call "the concordance" argues that both of these hypotheses
are compatible and synergistic. For modern science must consider logic itself
as an evolutionary phenomenon and not as a gift from God. Logic therefore
becomes “bio-logic”! My first and second
hypotheses are therefore compatible and synergistic. My book: "Virtual Reality:
Consciousness Really Explained" moves on then to give a whole
answer. There are other, equally necessary and equally valid
perspectives, in their sum absolutely crucial to the problem as
well. The specific problem of consciousness is the hardest problem
and the one that ties it all together.
Contrary to the way it might appear, this problem is important for all of
us -it is not just philosophy. I bring a message of hope -hope for real
minds, real values, real meaning -and, ultimately, for a real decency in this
strange tortured animal called "man". I think this problem
embodies the real "Rosetta Stone", urgently necessary to our
continued survival as a race. It will take real work, however to get
there -I seek collaborators with courage enough to gamble with radical ideas.
But whatever made you think that a solution to the mind-brain problem
would be simple? If it were so, you would not be reading this at
all -it would be a finished problem. The principle of parsimony is
applicable only given the prior equivalence of explanatory power and that is
precisely the problem in the current dialogue. The standard proposed
solutions just don't work -as the continuing broad and variegated opinions on
even the basic statement of the problem clearly demonstrate.
RESPONSE:
If you have
constructive comments or suggestions- or questions, please email me at jiglowitz@rcsis.com
. (Please indicate in the header that yours is a response to the Web Page
or it will probably be deleted, unread as "spam" .) I am
interested in creating a realistic and scientifically productive dialogue on
the real issues of this problem leading to better theoretical models of the
brain and the mind. I especially court biologists and
mathematicians. Philosophy, as philosophy , is not my purpose.
Jerry
Iglowitz
October 20, 1998
Last
Update:
Some Relevant Links:
Walter Freeman, (Home
Page)
Journal of Consciousness Studies
(JCS Online)
(See especially his
"WF Selected
Papers"
Neurosciences
on the Internet
on the subject of
representation)
Behavioral
and Brain Sciences Preprint Archive
Hubert Dreyfus, (Home
Page w some papers )
Mind
and Body: Rene Descartes to William James
Patricia Churchland, (Home
Page)
Scientific
American: Explorations: Debunking the Digital Brain 2/97
Humberto
Maturana (Home Page w some papers)
Francisco Varela, (Home Page)
Daniel Dennett (Center for Cognitive Studies)
David Chalmer's Home Page
A
New Multi-Disciplinary Subject?
Consciousness
Studies, (Univ. of Arizona)
Cogprints
Electronic Archive
A Guide to Consciousness
Studies Websites
(Note:
this, and my other counters have been wildly erratic with this ISP.
Currently the actual count for this page is about 3000 higher than it
shows as it was disturbed, (again), during the month of February. I keep
it for my own purposes but the counts are meaningless.) Visitor Number: 126192
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