Very cool comparative cognition study (h/t @Limor_Raviv) making “the case for the universality of the sequence organization observable in informal human conversational interaction” 1/
My favorite part comes at the end, where the authors note “one of the most basic units of human social interaction, ..., has apparent homologs in the social interaction of nonhuman primates” but 2/
they find “the more elaborate structures that occur in human interaction” lacking in our closest living relatives. Why? “non-human primates appear to be limited in their ability to learn and represent the hierarchical structure of sequences” 3/
My bet (ping @howbrainsevolve ): this is linked to cerebellar expansion in our lineage, implicated in “order of the social sequences” e.g.:
link.springer.com/article/10.375…
sciencedirect.com/science/articl… 4/
Would be nice to find a way to test this; congrats to all authors involved: @kobin @elycorman @simflo13 @elliotthoey @DingemanseMark @gio_rossi_5 & colleagues
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