On 10-08-2019 00:53, Bruce Kellett wrote:
On Sat, Aug 10, 2019 at 3:22 AM Jason Resch <jasonre...@gmail.com>
wrote:
On Friday, August 9, 2019, Bruce Kellett <bhkellet...@gmail.com>
wrote:
On Fri, Aug 9, 2019 at 8:59 PM Jason Resch <jasonre...@gmail.com>
wrote:
What role do you see decoherence playing in consciousness? In other
words, could you explain why shedding IR photons into an external
environment necessary for the mind to be conscious?
Consciousness is a classical phenomenon since the brain is a
classical object (not in a state of quantum coherence). So
decoherence, and the emergence of the classical from the quantum, is
essential for consciousness. Just as to be conscious is to be
conscious of something, such as the external world.
You appear to be extrapolating a causation from the appearance of a
correlation:
"The brain is classical, and the brain is conscious, therefore all
consciousness must be classical."
The conclusion doesn't follow from the premise.
Show me consciousness that does not involve decohered classical
matter, such as in a brain.
That's trivial. The brain is an object that exists in our universe which
is described by quantum mechanics. Classical mechanics is a falsified
theory that yields good approximations for macroscopic observables due
to fast decoherence. The number of physical degrees of freedom involved
in the entangled state the brain is part of is finite due to locality.
This means that the brain plus a finite (but extremely large) number of
physical degrees of freedom is always in a pure state.
Saibal
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