'Isn't evolutionary psychology just a bunch of unfalsifiable speculation, since we can never really know what happened in the past?' *ignores cosmology, paleontology, evolutionary biology, anthropology, genetics, classics, history, etymology, etc*https://twitter.com/iatemuggles/status/1000517105412911105 …
The ratio of genetic determination vs susceptibility to environmental adaptation is probably variable and entirely genetically determined.
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That’s true for most aspects of our bodies (e.g. muscle mass & skin tone), but genes don’t determine the scope of human thought - except by making it universal.
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What makes you so sure that this has to be true? There are probably conditions under which a degree of innately enforced groupthink would have adaptive benefits for the group, and I don't think that it is impossible to encode tendencies for that genetically.
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It's due to the laws of physics, isn't it? What's possible is what's not forbidden by the laws of physics.
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If there is evolutionary advantage in resisting vs. adapting your traits, then this will affect the plasticity of your traits.
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