Great discussion. Thanks for posting it. Much of it above my head. But I 
take solace in the observation that it's above the head of the participants 
as well! AG

On Sunday, February 11, 2018 at 3:30:04 PM UTC-7, Bruce wrote:
>
> Scott Aaronson has an interesting blog entry on quantum interpretations: 
>
> https://www.scottaaronson.com/blog/?p=3628 
>
> He seems somewhat conflicted over which interpretation to believe..... 
> "Anyway, as I said, MWI is the best interpretation if we leave ourselves 
> out of the picture..... what would it be like to be maintained in a 
> coherent superposition of thinking two different thoughts A and B, and 
> then to get measured in the |A>+|B>, |A>-|B> basis? Would it even be 
> like anything? Or is there something about our consciousness that 
> depends on decoherence, irreversibility, full participation in the arrow 
> of time, not living in an enclosed little unitary box .... something 
> that we'd necessarily destroy if we tried to set up a large-scale 
> interference experiment on our own brains, or any other conscious 
> entities?" 
>
> I think the idea that consciousness depends on full participation in the 
> arrow of time -- namely, the irreversible formation of memories -- is 
> something that need to be taken seriously. 
>
> Bruce 
>

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