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> I’d personally hypothesize that yawns, like almost all other emotional displays are simple pre-language communications The trouble with that hypothesis that
by etangent 5y ago
> I’d personally hypothesize that yawns, like almost all other emotional displays are simple pre-language communications
The trouble with that hypothesis that even very primitive vertebrates that have or have had almost no social history also yawn.
- erulabs 5y agoAgreed - but it’s a chicken/egg issue there. It’s not clear that behavior is a precursor to social groups. Social groups with no communication behavior would be very hard to maintain. Hard to say tho for sure which comes first