anyone know anything about error rates in calendrical timekeeping? like, archaeologically / anthropologically / ethnographically… if i were in a cave scratching the wall, what'd be my day-slip rate? what about a society of 100 ppl? it goes so low so fast! we are a GREAT clock!
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Without sunlight cues human bodies run a bit faster than 24h on average iirc.
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With no cues, you get real fucked up and stop being able to make even pretty rough judgments of times longer than a few minutes:
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Yeah full deprivation would totally screw you up. The studies I’m thinking of were more controlled. I have the refs somewhere. Something where you had control over artificial lighting etc I think. Body clock entrainment works only with some solar wavelengths or something
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That seems plausible. I wonder how groups of various sizes would sync if they didn’t have external cues but did have each other.
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This has some details. The book Rhythms of Life had a very detailed neuroscience explanation that I’ve now mostly forgotten. en.m.wikipedia.org/wiki/Circadian


