GNOLLS.ORG - Topic: The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/ Simple:Press Version 5.7.5.3 intermittent fasting on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-5/#p8363 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-5/#p8363 It's a shame you don't have a donate button! I'd without a
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]]> Wed, 20 Dec 2017 19:04:23 -0800 raw food on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p8360 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p8360 Thanks for the good writeup. It in fact was a amusement account it.
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]]> Tue, 12 Dec 2017 09:55:47 -0800 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4493 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4493 js290:

Great article!  There's a good reason we see so many dotted lines and question marks in the evolutionary tree during the Pleistocene...there were several different hominins, and we're not exactly sure which ones were ancestral and which weren't.

WalterB:

Thank you!  I'll continue adding to it in the future.

JS

]]> Mon, 27 Aug 2012 18:38:54 -0700 WalterB on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4476 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4476 This is the best overview of modern view on human evolution that I have come across, a real gem.

]]> Mon, 27 Aug 2012 09:41:00 -0700 js290 on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4456 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4456 More skull findings: New fossil skull from Africa reveals tangled roots at base of the human family tree

]]> Sat, 11 Aug 2012 15:15:08 -0700 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4187 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4187 roger:

We're still in the Pliocene at this point.  The so-called "Great Leap Forward" post-dates anatomically modern humans, and is still several million years in the future.

JS

]]> Sat, 09 Jun 2012 11:38:13 -0700 roger on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4174 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4174 Sorry, I have used dim witted because of two things. First, during many thousand years, there were no significant changes in their technologies which remained about the same for heidelberg, neandertal and even homo sapiens sapiens until about 50 to 60000 years ago. Second, it seems that they could not make knots or untie or untangle knots. And, only us, among animals are capable of doing that easily. Why?
What brougth the so called Great Leap Forward, 40,50 or 60000 years ago, is the real question but you did not speak about that

]]> Fri, 08 Jun 2012 18:51:58 -0700 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4129 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4129 roger:

I don't think Homo heidelbergensis and the Neandertals were dim-witted: try surviving in ice-age Europe without the benefit of modern technology -- or any technology at all beyond sharp rocks you made yourself.

In fact, since all the things we think of as "culture" post-date the emergence of anatomically modern humans, it's clear that surviving as a hunter-gatherer had to be very mentally demanding: otherwise our ancestors wouldn't have developed these big brains in the first place!  

Yes, there's a great deal of variation in modern brain size...but the fact that it's decreased over 10% since the invention of agriculture should tell us something.  Also, culture and education creates roughly half of what we think of as "intelligence"...but I do note a distinct lack of genius proportionate dwarves in the historical record.  And it turns out that Stephen Jay Gould's The Mismeasure of Man was a deliberate fraud.  So while I believe that enough other confounding factors exist that cranial capacity doesn't tell us much about the capabilities of any individual modern human, I think it's reasonable to use its average as a proxy for relative intelligence of hominins in archaeological time.

JS

]]> Tue, 05 Jun 2012 17:06:25 -0700 roger on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4122 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p4122 Hi Jim

Really, I should have wrote 400cc to 2200+ cc. 400cc about, for proportionates dwarfs as Jeffrey Hudson(18inches tall), Henrietta Moritz (22in) and Pauline Musters(23in). Dwarfs of Ecuador suffering from laron syndrome but very proportionates, seem to have about 700cc. At the other extreme, there are lord Byron, Oliver Cromwell and Yvan Turgenev with brain over 2200cc.
So, someone can be intelligent at about any brain size and also dim witted at 600cc as the gorilla, at 1000cc like the homo erectus, at 1500cc like the neandertal and even, seemingly, homo sapiens,from 150000 to about 70000 years ago.

]]> Mon, 04 Jun 2012 15:40:57 -0700 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3915 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3915 roger:

First, I think you mean 900-1500cc, not 2500cc.

Second, intelligence in the modern era is roughly 1/2 dependent on cultural transmission (the probable source of the "Flynn effect") and only 1/2 on innate capability -- so it's risky to extrapolate from modern distributions to the Paleolithic, where cultural differences were much smaller and innate intelligence a much greater factor.

Third, you'll recall that Homo floresiensis was necessarily descended from either H. erectus or H. sapiens, meaning that its primitive stone toolkit was necessarily invented by ancestors with larger brains typical of hominins of the time.  Chimpanzees can be taught to flake Oldowan stone tools, among other complicated behaviors...but there's no evidence that they've ever managed to invent them on their own.

While I don't think that cephalic ratio explains all of human intelligence, it's clear that larger brains are more energetically expensive than smaller brains -- so there must have been some reason that they were selected for despite this handicap.  If you don't think larger brains were necessary for the development of intelligence, it's your responsibility to come up with an alternative explanation for them!

JS

]]> Tue, 01 May 2012 15:42:32 -0700 roger on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3914 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3914 Basically, you relate brain size with intelligence as Darwin and Mayr are doing. This seem to me the core of your argumentation. However, today, the range of human brain goes from 900cc to 2500cc without noticeable differences in intelligence or even better survival values. Moreover man's brain is bigger, by at least 10%, than women brain without noticeable differences in intelligence. Moreover the Flores man, with a brain, the size of chimp brain, was capable of making the same tool as homo erectus.
To be fair to Darwin, I have to say that somewhere in his book, Descent of Man he backoff from brain size to composition of the brain. As for Mayr, in What Evolution is, he ends up by saying that there might be some neurons that are specifically humans.
Maybe, you are following a wrong trail.

]]> Tue, 01 May 2012 12:59:59 -0700 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3745 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3745 jane:

Gravlax is a great way to get people who "don't eat raw meat/fish" to eat raw fish!  (Here's the recipe.)  

No, I've never gone 100% raw for any significant period of time, though I've done it for perhaps two days.  Not intentionally, though...usually because I'm on the road and eating gravlax and salads out of a cooler!

JS

]]> Sun, 15 Apr 2012 22:19:18 -0700 jane on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3738 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3738 thanks for the gravlax recipe. good one. eat raw myself (will make exception for your sugar) and have "raw" fish every now and then, maybe 2x a month. raw eliminates your beloved potato pretty much but that's ok. have you tried raw?

]]> Fri, 13 Apr 2012 12:15:03 -0700 J. Stanton on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3604 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3604 Kenneth:

Thank you!  There's something viscerally satisfying about eating meat on the bone, outdoors...because we've been doing it for millions of years.

JS

]]> Wed, 21 Mar 2012 15:20:51 -0700 Kenneth Shonk on The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV) http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3598 Comment Threads http://www.gnolls.org/forums/comment-threads/the-paleo-diet-for-australopithecines-approaching-the-meat-of-the-matter-big-brains-require-an-explanation-part-iv/page-4/#p3598 Love this site. It explains why I also like to crack open bones and suck the marrow.

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