On Sun, Oct 2, 2011 at 10:58 PM, Craig Weinberg <whatsons...@gmail.com> wrote:
> On Oct 1, 8:52 pm, Stathis Papaioannou <stath...@gmail.com> wrote:
>> On Sun, Oct 2, 2011 at 5:35 AM, Craig Weinberg <whatsons...@gmail.com> wrote:
>> >> I'm afraid the analogies you use don't help, at least for me. Does an
>> >> ion channel ever open in the absence of an observable cause? It's a
>> >> simple yes/no question. Whether consciousness is associated,
>> >> supervenient, linked, provided by God or whatever is a separate
>> >> question.
>>
>> > Observable by who?
>>
>> Observable by a third party.
>
> Yes. If you only look at the ion channels of a neuron in someone's
> amygdala without knowing what you are looking at or what the subject
> is thinking about, then you are not going to know that the voltage is
> changing because they are thinking of hitting a straight flush on the
> river after going 'all in'. If you trace it back further, you will see
> earlier voltage changes or depolarizations in cognitive areas, and
> then in the audio sensory areas of the brain if the suggestion came as
> a verbal instruction from a researcher. None of those changes in
> different regions of the brain mean anything though except in
> reference to the back end semantic understanding.

So you do believe that ion channels will open without an observable
cause, since thoughts are not an observable cause. A neuroscientist
would see neurons firing apparently for no reason, violating physical
laws.


-- 
Stathis Papaioannou

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