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I wouldn't say it's obvious the brain doesn't work this way. See the free energy principle, one of the leading theories of how our brain works. > The free ene
by stevenhuang 3y ago
I wouldn't say it's obvious the brain doesn't work this way.
See the free energy principle, one of the leading theories of how our brain works.
> The free energy principle is a theoretical framework suggesting that the brain reduces surprise or uncertainty by making predictions based on internal models and updating them using sensory input. It highlights the brain's objective of aligning its internal model with the external world to enhance prediction accuracy
Making predictions and then correcting for them in some way is a pretty low bar and it's often achieved through differentiability. I wouldn't be surprised if relevant neurological structures exist in our brains that do this.
- sigmoid10 3y agoThere are reasons to believe it could work similarly, but they are related to computational efficiency and out lack of knowledge regarding more efficient methods. But I would not bet on our own ignorance as an explanation.