On 6/22/2012 10:21 PM, Stephen P. King wrote:
On 6/23/2012 12:37 AM, meekerdb wrote:
On 6/22/2012 6:49 PM, Stephen P. King wrote:
On 6/22/2012 8:04 PM, meekerdb wrote:
On 6/22/2012 4:49 PM, Stephen P. King wrote:
Hameroff is a crackpot. If microtubles were the source of consciousness my finger would be conscious; microtubles are in almost all cells.

OK, that solves it, just call him a crackpot and sit back and wonder why no progress occurs. I think that the sensitivity might be set too high on your crackpot meter. ;-)

Or yours is set too low. What difference would it make if one found quantum computation in microtubles?

Not quantum computation per se, phenomena that becomes possible when one has coherent states available. Quantum computation is one use of this feature of coherence of entanglement. It allows one to use the EPR effect to alter the duration of an interaction event such that measurements of its conjugate are possible. The canonical conjugate to transition duration is Energy.

I still don't see the relevance to consciousness. EPR is just an example of the non-locality of interactions.

Hi Brent,

Each and every instance of an interaction is an instance of consciousness for a pan-psychic! Having to account for that formidable field is quite a challenge, no?

Then your problem is to account for non-consciousness.

Decoherence is also produced by the non-locality of interactions.

"also"? That word does not apply,. Decoherence involves all possible interactions, otherwise the density matrix representation would not aplpy!

?? You can use a density matrix representation of any system, isolated or not.

The phase information is distributed into the environment - that doesn't make it consciousness or even computation (except in the metaphorical sense that physics can be thought of as computing itself).

You are missing the point. It is about differences between two that make a difference to a third. You need to think for a moment about what exactly it means for an observer to be isolated. If isolation is not possible then a clear notion of differences between systems is not possible.

A non-sequitur. I specifically referred to "distributed into the environment". I didn't say anything about isolation. You seem to be responding to voices in your head.

The only relevance I can see this might have to consciousness is in the question of counterfactuals (Bruno's 323 example).

    Exactly. That is where it matters.

and for some reason only in the microtubles in brain cells.

Those particular structures have the necessry topological properties required to implement a topological quantum computer,

Except they are not particular to brain cells.

"Particular" to a specific set of brains cells with unique position, momenta, scattering duration, spin directions, etc.

Except he did nothing to see whether or not brain cells have any of those specificities different from other cells.

The complete set of observables that exactly define the state of those brain cells is not subject to being copied or cloned.

You can't clone any quantum state - nothing to do with brain cells.

By Hameroff's standard any complex molecular system has the properties necessary to implement a quantum computer.

No, It requires several things that you are not mentioning. You seems to have not been paying attention to his talk.

  The question is whether it does so.

Why exactly are you skeptical that it happens? It worries me that you are very interested in the explanation that puts you in the philosophical position of not having any responsibility for your actions. How wonderfully convenient for you!

You haven't been paying attention. I'm the one who defended compatibilist free 

Does it receive information from perception and use that information in controlling action. That it can 'compute' it's own dynamic evolution is a ubiquitous property.

These two sentences are loaded up with illdefined concepts. What exactly is a "perception" and " information" and "control" and "compute" and " dynamic evolution" and "ubiquitous property". All of these words have multiple meanings...

They are better defined than "topological quantum computer".

which is just another way of talking about begin able to select a scale (measure) of the total energy (Hamiltonian) of a system. This is about "time" uncertainty. It is a hair-brained theory of mine that does not even rise to crackpot status how this would work, but I am not here to boost my own theory, I am trying to get a good handle on this COMP stuff.

  Would that show that computation done by classical computers couldn't be 

Not unless we can show that a QM system can pass the ultimate Turing test and a classical system cannot. What would make this test ultimate is that it was to be judged by all possible entities that can believe (ala Bruno's definition) that they themselves are conscious. In this way we short-circuit observer bias.

  Would it show that any computation by microtubles was conscious.

    Yes. It would offer justification of the idea of panpsychism (but not 

  Has Hashameroff et al show how microtubles in cells could compute something?

    Yes. Watch the linked talk; it is described.

No, he only speculated that they could have patterns of collective activity - 'computation' in the generic sense of evolving according to a Hamiltonian. As an anesthesiologist he should be explaining how anesthesia stops these patterns from evolving in microtubules.

    I agree!

I watched the link - you owe me 45min.

    What compensation do you require for knowledge acquisition?

Watching 45min of video of my choice.

Do you suppose that high level intelligence can exist without consciouness?

    No, not one that can pass my version of a Turing test.

Do you suppose computers (without quantum computation) cannot achieve high level intelligence?


Then you must believe that consciousness can be realized by classical computers.

Consciousness, yes. The ability to communicate true statements that such is the case is a completely different story. Communication is a higher hurdle than existence.

And your evidence for that is...

The Crackpot Index by John Baez

10 points for beginning the description of your theory by saying how long you have been working on it. (10 more for emphasizing that you worked on your own.)

20 points for defending yourself by bringing up (real or imagined) ridicule accorded to your past theories.

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