RE: Speech and Tool Making Evolved Together

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RE: Speech and Tool Making Evolved Together - 9/10/2013 11:41:26 AM

Rule

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quote:

ORIGINAL: ARIES83
You haven't explained your penis theory yet, Rule.
judging by your bout of plagiarism, you obviously want to make a point...

My point in both cases being that anyone may advance and argue a crazy hypothesis.

As a matter of fact before this thread had started I was beginning to read this article about the radiator theory. I solved the mystery of the evolution of our large brain back in the eighties, mentioned it in an unpublished article that I wrote in August last year and these days endeavour to upgrade that article in the hopes of getting it published; hence my literature research.

quote:

ORIGINAL: ARIES83
You haven't explained your penis theory yet, Rule.

So okay, a crazy hypothesis since there is a demand for it.

Let me state in advance that we do not know when spoken language evolved. Likely the apelike ancestors that we have in common with chimpanzees already had some form of extremely rudimentary language; see here. Undoubtedly, in my opinion, this language ability evolved exponentially once our hominid ancestors became bipedal in the pleasant lethal paradise of the African plains.

Simultaneously our ancestors also exponentially evolved an ever larger size. If the organs increased in proportion in size (of course they did not), then the penis must also have exponentially evolved an increased size. Wikipedia tells us: "the human penis is larger than that of any other primate, both in proportion to body size and in absolute terms".

We therefore have a correlation between the evolution of language and the evolution of a large penis.

Now for the crazy causal connection. (I promised only a correlation, but I realize that the next question will be for a causal connection.)

For the penis to become erect, the blood volume in the penis increases and simultaneously the blood volume in the rest of the body - therefore also in the brain - decreases. The blood drain from the brain is such that males may (nearly) faint when masturbating (or having intercourse) while standing up.

Now it so happens that the human brain also evolved disproportionately in size. Relative to all other organs, therefore, the blood volume in the brain disproportionately supplies most of the increase in the blood volume required for the erection of the evolved large penis.

Since the function of the brain and therefore the function and evolution of the language centers, is a function of its blood volume, we must conclude that it is only because of the evolution of the disproportionately large penis that the language centers could evolve.

< Message edited by Rule -- 9/10/2013 11:46:53 AM >

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"I tend to pay attention when Rule speaks" - Aswad

"You are sweet, kind, and ever so smart, Rule. You ALWAYS stretch my mind and make me think further than I might have on my own" - Duskypearls

Si vis pacem, para bellum.

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Post #: 21

RE: Speech and Tool Making Evolved Together - 9/10/2013 8:19:29 PM

ARIES83

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quote:

ORIGINAL: ChatteParfaitt

Wow what a wall of text, in red no less.

His theory is outdated, it's been learned that human intelligence gets passed down from the mother.

http://www.independent.co.uk/news/brainy-sons-owe-intelligence-to-their-mothers-1339099.html

Thats interesting, though it doesn't dispute the ideas around headmanship. The IIA he talks about is not intelligence but intelligence is an important ingredient.

It's saying that in a hierarchal social structure, the mental skill palette required to be successful in that hierarchy can very quickly become the focus of positive selection when position and status become influential in reproductive success.

In the case of the headman, if that position is a result of the innate ability of the individual, or even if that position is a result of lineage through hereditary succession from such an individual... The higher rates of reproductive success soon level the playing field by disseminating that skill palette throughout the population.

Some other things I find interesting are when you consider the idea of positive selection due to a hierarchal society influencing reproductive success... It leads the mind to consider just what goes on in competitive hierarchal environments... ambition, social climbing, enmity, loyalty, sub groups, feuds...

When that society occupies a very likely ancestral territory, that social structure can also serve as an engine for migration, through disenfranchisement and competitive pressures among other things...
And even coups! Especially when a current headmanship is no longer a function of innate ability... Which in-turn takes us back to the superior IIA skill palette being in a position of increased reproductive success, there by furthering it's dissemination throughout the entire group. Or migration of subgroups spreading the species.

Assuming theres traditionally been a reproductive benifit from being at the top of a hierarchy that is...

Very interesting to think about!

I caught an old documentary recently which said american indians are not descendants of the first group of humans to occupy america.
This may be old news to you guys since I'm guessing americans would be more knowledgeable about american history than me, but I found it extremely interesting.
http://news.nationalgeographic.com.au/news/2003/09/0903_030903_bajaskull.html

Australian aboriginals just cant seem to catch a break...

< Message edited by ARIES83 -- 9/10/2013 8:39:29 PM >

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RE: Speech and Tool Making Evolved Together - 9/10/2013 8:33:44 PM

ARIES83

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Rule, are you saying we have such a large brain so we don't pass out when we get a boner?

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RE: Speech and Tool Making Evolved Together - 9/10/2013 8:59:20 PM

Rule

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Joined: 12/5/2005
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quote:

ORIGINAL: ARIES83
Assuming theres traditionally been a reproductive benifit from being at the top of a hierarchy that is...

There is not. If there was, we would all still be Tyrannosaurus Rex. The human mind is a bit more complicated than that.

_____________________________

"I tend to pay attention when Rule speaks" - Aswad

"You are sweet, kind, and ever so smart, Rule. You ALWAYS stretch my mind and make me think further than I might have on my own" - Duskypearls

Si vis pacem, para bellum.

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Post #: 24

RE: Speech and Tool Making Evolved Together - 9/10/2013 9:03:33 PM

Rule

Posts: 10479
Joined: 12/5/2005
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quote:

ORIGINAL: ARIES83
Rule, are you saying we have such a large brain so we don't pass out when we get a boner?

No, I did not assert that as the cause of our large brain. We have a large brain for another reason.

My posts just served to demonstrate that anyone may propose and argue in favor of a crazy idea.

The idea that tool making and the evolution of speech had anything to do with one another is one of those crazy ideas.

_____________________________

"I tend to pay attention when Rule speaks" - Aswad

"You are sweet, kind, and ever so smart, Rule. You ALWAYS stretch my mind and make me think further than I might have on my own" - Duskypearls

Si vis pacem, para bellum.

(in reply to ARIES83)

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Post #: 25