On Sun, Oct 16, 2011 at 11:44 PM, Craig Weinberg <whatsons...@gmail.com> wrote:

>> As an engineering problem as well as for the purpose of the thought
>> experiment, we replace a part at a time and, as with the mechanic and
>> the car, see whether it works the same. If the subject says they have
>> gone blind or feel weird or something then the replacement part is not
>> working properly. If they say they feel normal and they seem to you to
>> behave normally then the replacement part is working properly.
> I agree that would be a decent way of finding out. I'm saying that
> they will not feel normal though, and they will most likely not behave
> normally over time.

But they have to say they feel normal since the speech centres of
their brain receives the same electrical input and the neurons there
fire in the same sequence as they normally would. Only if the neurons
are affected by non-physical inputs (which would by assumption be
missing if the artificial neurons are installed) would the subject be
able to say that something was awry.

Stathis Papaioannou

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