Big brains come with big social groups in whales and dolphins
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Re: Big brains come with big social groups in whales and dolphins
#2Re: Big brains come with big social groups in whales and dolphins
#3Re: Big brains come with big social groups in whales and dolphins
#4Or does increased brain capacity promote cooperation?
Re: Big brains come with big social groups in whales and dolphins
#5Or does increased brain capacity promote cooperation?
Anyway, here's an interesting datapoint: there's something called "domestication syndrome", basically a set of traits that is common to diverse animals that have adapted to humans, from goldfish to cattle. One of those traits is reduced brain size. And the loss in brain size is more pronounced in social animals (dogs), compared to psychopathic loner species like cats. (No idea about goldfish. Really have to read up on goldfish sociology.)
The causality, per evolutionary theory, must obviously be "randomly larger brain" -> "better ability to cooperate" -> "increased survival". The other way around is Lamarckian Evolutions, which doesn't happen.
Re: Big brains come with big social groups in whales and dolphins
#6The smartest peers mate with the females.
Re: Big brains come with big social groups in whales and dolphins
#7Re: Big brains come with big social groups in whales and dolphins
#8Or does increased brain capacity promote cooperation?
That's a bit like debating what came first: the large beer or the voluminous glass? Anyway, here's an interesting datapoint: there's something called "domestication syndrome", basically a set of traits that is common to diverse animals that have adapted to humans, from goldfish to cattle. One of those traits is reduced brain size. And the loss in brain size is more pronounced in social animals (dogs), compared to psy…
Re: Big brains come with big social groups in whales and dolphins
#9A bit off-topic, but a thing I've always found puzzling is octopus intelligence. They aren't especially social (as far as we know, unless you count their arms as semi-independent beings), they don't really live all that long, and don't teach their young anything (they don't raise their young and die soon after mating). Source: https://en.wikipedia.org/wiki/Octopus
I've never seen any research that backs this up, but I'd love to read some more about these claims. If anyone cares to elaborate?
And you'd be surprised about how little we know about animal intelligence. You should look into the psychology professor Irene Pepperberg and her parrot Alex (Source: https://en.m.wikipedia.org/wiki/Irene_Pepperberg). Fascinating.
Re: Big brains come with big social groups in whales and dolphins
#10A bit off-topic, but a thing I've always found puzzling is octopus intelligence. They aren't especially social (as far as we know, unless you count their arms as semi-independent beings), they don't really live all that long, and don't teach their young anything (they don't raise their young and die soon after mating). Source: https://en.wikipedia.org/wiki/Octopus