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Parallels in anatomy between humans and domesticated mammals suggest that for the last 300,000 years, Homo sapiens has experienced more intense selection against the propensity for reactive aggression than other species of Homo. Selection against reactive aggression, a process that can also be called self-domestication, would help explain various physiological, behavioral, and cognitive features of humans, including the unique system of egalitarian male hierarchy in mobile hunter-gatherers. Here I review nine leading proposals for the occurrence of self-domestication in H. sapiens. To account for the domestication syndrome, proposals must explain what led to a decline in fitness of highly aggressive males, and why the explanatory factor applies only to H. sapiens and not to other species of Homo. The proposed explanations invoke genetic group selection; group-structured culture selection (also known as cultural group selection); social selection by female mate choice; social selection by male partner choice; increased self-control; cooperative breeding; high population density; use of lethal weapons; and language-based conspiracy. Most of these proposals face difficulties in accounting for the origins and/or maintenance of reduced reactive aggression. I conclude that the evolution of language-based conspiracy, which is a form of collective intentionality, was the key factor initiating and maintaining self-domestication in H. sapiens, because it is the most convincing mechanism for explaining the selective pressure against individually powerful fighters. Sophisticated language enabled males of low fighting prowess to cooperatively plan the execution of physically aggressive and domineering alpha males. This system is known today as a leveling mechanism in small-scale societies. Group-structured culture selection possibly accelerated the process.
I won't relitigate the history of the anti-vaccine movement here, as it's been amply covered elsewhere, but it begins, of course, with children
Spearthrower wrote:I want to read and give feedback, but I just saw this on Sunday evening and have a slew of shenanigans to deal with next week. Not sure I'll get there in time before you publish.
Just to note I enjoyed Zoon's post above - I always appreciated the concept of the gossiping primate, especially as you see some similar behavior in other hominids.
chairman bill wrote:Just reading through it. I got to this bit ...I won't relitigate the history of the anti-vaccine movement here, as it's been amply covered elsewhere, but it begins, of course, with children
... and wondered whether you meant reiterate rather than relitigate, the latter relating to arguments in court rather than on the internet
, we have to establish mutuality, trust and we have to achieve sociality. This is all done with language.
Macdoc wrote:Picking a small nit..., we have to establish mutuality, trust and we have to achieve sociality. This is all done with language.
our social animal brethren do the same without language. And giraffes make do socially despite lacking vocal chords.
Macdoc wrote:our social animal brethren do the same without language.
Macdoc wrote:Picking a small nit..., we have to establish mutuality, trust and we have to achieve sociality. This is all done with language.
our social animal brethren do the same without language. And giraffes make do socially despite lacking vocal chords.
don't get me started wrote:Anyways, this is seriously O/T. Sorry to derail your thread Hackenslash.
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