• uphillbothways@kbin.social
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    2 years ago

    Seems like if you read between the lines, there’s a certain commonality in increased respiration/alertness, stress response and showing of teeth that solves a common need across species. When a subject recognizes a lack of alertness, a present threat or the need for aggressive action in the near future, a yawn can help prepare for that while also giving pause to those who might be threats and/or potentially paralyzing prey. The failure in consensus here appears, to me, an inability to describe those seemingly disparate needs as related to the physiology that drives them. Not a lack of understanding, so much as a deficiency in perlocution.

    • Today@lemm.ee
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      2 years ago

      I’ve read that people with autism are less likely to catch a yawn. Not sure if that’s true.

      I’ve taken meds that caused uncontrollable yawning. That’s super annoying!

      • rich@feddit.uk
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        2 years ago

        I can say that’s absolutely false, for me at least. I yawn all the fucking time