Currently CIP is reading and posting about Christof Koch's confessions and the phee of 'integrated information theory'.
I think the 'dynamic' aspect of consciousness is missing from this proposal and perhaps something like
phee * dphee/dt
would be a better measure.
Of course, this reminds one of dS/dt and the 2nd law, which may be an important feature, considering the proposal of Scott A. that matter has to participate in the arrow of time to be conscious.
Meanwhile, Lubos also wrote about phee, which he understands as a measure of entanglement entropy, and I find his point "mechanisms of the Heisenberg choice" quite remarkable. Here is the connection with the "interpretation problem" again.
Of course, so far this is all idle speculation and it is unclear how one could ever check or falsify these proposals. But, as Einstein remarked, one needs to have a theory first before one knows what to look for ...
It seems to me that this topic is currently in an early stage with many ideas brewing, nothing firm yet - but a big improvement over the situation just a few years ago.
I credit Daniel Dennett for the progress made so far; when he wrote his book Consciousness Explained, it became clear to many (including me) that actually we have no explanation whatsoever.
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