"Henry Quirk: I'll give it a shot."
You can just call me 'Henry'.
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"Experiments where the answers to questions are shown (by measurements of skin temp, neural activity) to occur prior to the subject consciously answering - such as by pressing a button."
You're referring to the Libet experiments, yes?
Here...
http://www.newscientist.com/article/dn2 ... 8Vk6JRdVA0
...may not be an out-n-out debunking, but -- certainly -- the beginning of one.
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"You perform activities such as driving a car on a familiar route, or riding a bike without being consciously aware of doing it - automatically."
Yes, I call these habits or routines (or skills).
I do all manner of things without much thought.
This, however doesn't mean without 'any' thought.
As I drive: I drive (a cluster of intent, actions, reactions, responses), I fiddle with the radio (another cluster of intent, actions, reactions, and responses), I pick my nose (yet another cluster), etc.
This means, to me, that I'm capable of carrying out a variety of complex tasks simultaneously (by partially automating some of the actions involved).
But always, it seems to me, 'I' am present.
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"There are many examples of unconscious processes that philosophers love to talk about and I'm sure you're aware of."
This 'unconscious' is, I think, just what happens 'at the back' of consciousness, not 'below it'.
Certainly, there is all kinds of 'automation' going on in me, stuff I'm not conscious of (because I don't have to be) but this is not to say these processes are 'in the cellar' of my consciousness.
Such automation isn't registered at all, has no place in my awareness (till my attention is required...for example: no one considers the heart till it goes shitty [into arrest]).
The smooth function of my heart (and many other pieces, parts, and processes that comprise me) is not 'un' or 'sub', it's 'non'.
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"...doesn't it seem at times as if there is, above those two aspects, another, who serves as a tie breaker - a kind of conscious awareness that unifies the disparate experiences and judgments of the rational and emotional? And as I believe Gingko has pointed out in past posts, it appears that there is some scientific basis in concluding that even the upper realm of conscious awareness is not a unity either."
In my experience there's just 'me' with appetites (impulses) I choose (wisely or not) to satisfy or not.
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"I think we could just as easily say that we consist of a multitude of selves and 'little men' battling it out. Some are subterranean night dwellers, some are sexual perverts, some are prudes, some are amateur psychologists, some are logical 'Vulcans.' The fact that we do think of ourselves as unified is the riddle that many are perplexed by."
And that maybe the experience of many (certainly, it's a model promoted by many
), but --again -- not mine.
I say up-thread, 'As I regard 'me' I find no indwelling spirit, no little man in my brain, observing the vehicle it, or he, rides in."
I could have also said: I detect no divisions in my psyche, no struggle between competing aspects of 'me'.
There's just 'me' with appetites and impulses (sometimes contradicting appetites and impulses). I don't dicker or parley with myself. I assess the 'needs' involved, the price to be paid for satisfaction (or denial) and act accordingly (though not always wisely).
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"The example of looking at your hand is a specific situation where not many processes need be brought into play - it is a limiting example."
The cluster and sequence of action, reaction, and response involved in my regarding myself (my hand) is no more or less complex than anything I might do. It involves intent and agency just as surely as driving the car (by routine) or performing brain surgery (with full attention brought to bear).
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"Maybe consciousness is a competition among 'selves' wherein the winner appears to have been 'you' the whole time. In such case, the unity of consciousness could be said to be an illusion."
Or, mebbe consciousness (mind, self, 'I'ness) is exactly what I think it is: an ongoing, self-referencing, action done by certain animals of particular and peculiar complexity.