On Fri, Jun 22, 2012 at 2:37 PM, meekerdb <meeke...@verizon.net> wrote:
> Hameroff is a crackpot. If microtubles were the source of consciousness my
> finger would be conscious; microtubles are in almost all cells.
This does not follow.
The ion channels which support the propagation of event potentials
down the length of an axon in the central nervous system also exist in
a variety of forms outside the brain. Yet it is only in the brain
these ion channels have become organized by evolution to sustain
complex patterns of firing.
Likewise, it is logically possible that microtubules could have one
function in the brain and yet another in the rest of the body.
That said, I find Hameroff's argument for entangled microtubules very
unconvincing. Crackpot? Perhaps--there does indeed seem to be an
element of "consciousness is weird, quantum entanglement is weird,
therefore brains must work by quantum entanglement."
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