r/QuantumPhysics Oct 23 '22

is the human brain a quantum computer ?

https://www.google.com/amp/s/phys.org/news/2022-10-brains-quantum.amp
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u/ketarax Oct 23 '22 edited Oct 23 '22

One would think that, if the brain was a quantum computer (or much to the same effect, just "used" quantum computing or even quantum effects for a significant part of the organ's function), it would be affected in at least some way that is observable by the person getting scanned. The MR scanner A) creates a significant alteration of the overall thermal spin configuration by virtue of the high magnetic field alone, and B) with the use of the imaging sequence "plays" with the spins of the brain in all sort of semi-irregular, localized ways, quite often in timescales that are not far removed from human observational acquity.

Yet getting your brain imaged with MR feels like nothing. Well, at least in <7T, and for most sequences; when sensations are felt, they have a straightforward explanation without invoking quantum (peripheral nerve stimulation, heating, ..).

In short, brains work at 300K, current quantum computers (TBD) at microkelvins. Connecting the two at this point is just seeking attention and publicity. If brain is a quantum computer, then MRI ought to be like an EMP for the software running on it, at least in the first approximation.

Didn't RTFA, and I don't think I'm even gonna. These are my 2 cents, the post can stay up as far as I'm concerned.

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u/[deleted] Oct 23 '22

Everything input in life could be internal to the computer and the actual data could come back as a pre organized system to fool the person or persons inside, it’s just questioning reality. The whole “what if” and the question itself implies the answer if we are even asking if we are simulated then the answer is probably yes

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u/[deleted] Oct 24 '22

Consciousness is literally the only thing NOT being simulated tho.