Powerless Placebos | Slate Star Codex    

written by Scott Alexander. added about 1 year ago by @icyflame ARCHIVES

perception placebos medicine metastudy    

Surfing Uncertainty had the the best explanation of the placebo effect I’ve seen. Perceiving the world directly at every moment is too computationally intensive, so instead the brain guesses what the the world is like and uses perception to check and correct its guesses. In a high-bandwidth system like vision, guesses are corrected very quickly and you end up very accurate (except for weird things like ignoring when the word “the” is twice in a row, like it’s been several times in this paragraph already without you noticing)

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