so according to mainstream view brains are completely deterministic given initial conditions and knowing all the external input, and free will doesn't exist. so has there been attempts to predict human/advanced animal behavior from a given initial brain state? i mean accurately predicting movement of limbs and words spoken and facial expression for many minutes, not just predicating a sad brain is going to cry.

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    $\begingroup$ I think you are mixing up a bunch of different concepts. There are a bunch of different neural coding schemes and many of these include a non-deterministic component (or require the state to be specified at the/molecular/atomic level). $\endgroup$ – StrongBad Nov 14 '19 at 16:11
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    $\begingroup$ This is more of a philosophical question (or possibly a physics one) about what is and is not deterministic. philosophy.stackexchange.com/questions/45662/… is an example. See also en.wikipedia.org/wiki/Laplace%27s_demon I am not aware of a "mainstream view" that "brains are completely deterministic" so I'd also be curious where that view is coming from. $\endgroup$ – Bryan Krause Nov 14 '19 at 16:18

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