#yawning

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#fetal-development #social-interaction #pregnancy #contagion #vertebrate-behavior #respiration-hypothesis
Parenting
fromwww.scientificamerican.com
1 day ago

Babies may catch' yawns from their mother in the womb, new study finds

Fetuses may yawn in response to their mother's yawns, indicating early social interaction and environmental awareness during development.
fromwww.theguardian.com
6 months ago

Why do we yawn? It's almost certainly not for the reason you think

All vertebrates yawn, or indulge in a behaviour that's at least recognisable as yawn-adjacent. Sociable baboons yawn, but so do semi-solitary orangutans. Parakeets, penguins and crocodiles yawn and so, probably, did the first ever jawed fish. Until relatively recently, the purpose of yawning wasn't clear, and it's still contested by researchers and scientists. But this commonality provides a clue to what it's really all about and it's probably not what you're expecting.
Psychology
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