Sentences with phrase «selection against aggression»
Previous research suggests our ability to cooperate and exhibit empathy — both thought to be critical to human success — relied in part on the large brains of our hominin ancestors, relative to body size; and that selection against aggression within early human populations allowed us to thrive.
https://www.scientificamerican.com/
What may have caused the trend instead, they argue, is selection against aggression.
Not exact matches
Previous research assumed this was an accidental by - product of humans actively selecting against aggression, but the new study supports the idea that childlike facial expressions in domestic dogs have arisen as a result of indirect selection by humans.