Re: determinism, freewill, chaos, and circular causality


Curt Welch wrote:
...

I see the entire purpose of the brain as being a system
which must find, and amplify, all the non chaotic effects
of the universe. Brains are in effect, noise filters
designed to remove all the noise which the universe is
full of. They are anti-chaotic devices if anything.

Most of what you quoted above I agree with - except that
last part where they seem to be justifying noise as a
source of creativity.


I see no other source. A fixed system just keeps grinding
out the same old same old.


I believe creativity is nothing more than the result of
a system which has the power to search a design space for
useful solutions.


And that power comes from the creation of new structures.

In trying to make a learning net you have decided on some
units and topologies that your intuition makes you feel
are right in some way. But imagine a network that could
not only be reinforced by changing its bias but also by
changing its units behaviors and its topology.


It makes no difference if the search is random and
chaotic and influenced by unpredictable low level
noise sources or whether it's totally deterministic.


All systems are totally deterministic. But their degrees
of freedom are restricted if you don't have some way of
introducing new structures, new possibilities.


The end result is just the fact that "good" options are
found. There are plenty of examples of genetic algorithm
programs which are 100% deterministic but yet have no
problem being extremely creative (creating things that no
human was able to create). Creativity is just the ability
of the system to recognize a good solution when it sees it
and to take advantage of all the good solutions it finds.


And how can it find a solution that is not possible with
its current design?


--
JC

.

Relevant Pages

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  • Re: determinism, freewill, chaos, and circular causality
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