On 18 January 2014 13:01, Russell Standish <li...@hpcoders.com.au> wrote:

> On Sat, Jan 18, 2014 at 12:10:23PM +1300, LizR wrote:
> > On 18 January 2014 11:34, meekerdb <meeke...@verizon.net> wrote:
> >
> > >  It doesn't mean anything.  There are microtubles in all cells.  So why
> > > don't I think with my penis...oh...never mind.  :-)
> > >
> >
> > Teehee. You're not the messiah, you're a very naught boy!
> >
> > I thought Tegmark showed that the Penrose theory is unlikely (by some
> > ridiculously large factor) because the brain isn't supercooled and
> isolated
> > from influences that may cause decoherence within about 10^-25 seconds...
> >
> Exactly. Quantum superposition within microtubules seems an unlikely
> source of computational power within the brain. Quantum randomness is
> more likely to occur due to thermal fluctuations across the synaptic
> gap, and I quite agree with Edgar that it is an essential part of the
> only sensible conception of free will (the ability to act irrationality).

Hm, if that's a sensible conception of free will, those of us who think the
concept is meaningless have nothing to fear.

So, does it mean, to act irrationally? If someone commits an apparently
irrational act (suicide, say) there is presumably always a reason that to
them appears rational, or at least that appear to be what they have decided
to do. (Assuming they have control over their actions and understand what
they are doing, of course.)

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