These are excerpts and elaborations from my book "The Nature of Consciousness"
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Machine Charisma Nonetheless, it is important
to realize why we are interested in knowing whether a computer can think, but
not whether a refrigerator can think. They are both complex machines, and it is
not obvious which one is more indispensable. In the event of a catastrophic
earthquake, most people will be more concerned about the food in their
refrigerator than about the files in their computer. Computers only solve some
problems, not all problems: they dont wash dishes, dont run on roads, and
dont make ice. Ordinary life (and certainly survival) is more than mere Math. One reason for our fixation
with computers is purely socio-historical. In the age when Artificial
Intelligence was born, computers were huge, and the sheer size was commanding
attention. No other machine was that big (and nobody could predict that they
would become so small so quickly). Because they were so terribly primitive (and
this borders on the paradoxical), they were also very difficult to operate, and
it was commonly held that only super-intelligent humans (and many of them
together) were able to control them. The (flawed) syllogism was that if they
required so much intelligence to operate, then computers must be very
intelligent. Furthermore, for anybody who
was not fluent in electronics it was difficult to conceive of computation
without thought: animals can do many things, but not multiplication, and
certainly not faster than humans. Math was a privilege of one higher primate:
us. It was psychologically easier to
assume that computers could think than to tear down a thousand-year old habit
of associating Mathematics with the ability to think. Finally, a lot of the
excitement arose simply from confusing intelligence, cognition and
consciousness, a mistake that in the age before the boom of neurophysiology was
very common, even among the likes of Turing. The one thing that computers
taught us is precisely that our traditional views of intelligence were flawed
and we needed better ones. Before computers were invented, the scientific
community had never been forced to define and distinguish intelligence,
cognition and consciousness. No animal was threatening human superiority in any
of them. Computers forced us to do that. Even if intelligence is just
computing many numbers very quickly (which means that a palmtop computer is
intelligent), that does not automatically entail cognition or consciousness.
And viceversa: a mentally retarded person may not be able to perform a
multiplication but still be capable of feelings and introspection. Computers have convinced us
that intelligence is simply a misconception, and the word is not scientific. The Turing Test was a misconception born
out of a misconception. Back to the beginning of the chapter "Machine Intelligence" | Back to the index of all chapters |
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