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Thread: CI estimation without callipers. Only legit method:)

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    Default CI estimation without callipers. Only legit method:)

    Using pixels of course If you have callipers forget it, but most people don't...


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    LOL, is that you???? You're being far too generous with your inaccurate measurements. Hair does nt contribute to cephalic index, you'll want to narrow that "width" measurement down considerably, my microcephalic, Gypsy friend.

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    WOW No it wasn't me but doesn't matter if I will be doli or meso I'll appreciate it

    The point is I posted it because nobody on this forum except few people maybe, have callipers so pixel estimation is better than nothing. Of course somebody with hair like a mop can't do that
    And pixel method is certainly better than usual method on this forum - "My face is long so my head probably also".

    And it's evident that if your head from the top is round you are brachy.
    It's longish = meso.
    It's clearly long = doli.

    From some anthro book - doli / meso / brachy


    BUT I SAY IT AGAIN. IF YOU HAVE CALLIPERS FORGET THIS POST
    If you don't have you can estimate if you are more roundheaded or more longerheaded with the aid of photo from the top.
    That's it. Jesus is for fun only

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    Quote Originally Posted by Rolnik szuka zony View Post

    From some anthro book - doli / meso / brachy

    LMFAO @ this photo. No son, this is a better photo:

    Left- Dolicocephalic
    Right - Brachycephalic



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    Interesing But what are trying to show? Do you know what is cephalic index? It's not about size moron, but about shape))))))))

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    Quote Originally Posted by Rolnik szuka zony View Post
    Interesing But what are trying to show? Do you know what is cephalic index? It's not about size moron, but about shape))))))))
    Actually, cephalic index and cranial size are causally related. Meaning your ridiculous photo is all the more inaccurate. Brachycephalic heads are much larger than dolicocephalic ones:



    http://dienekes.blogspot.com/2006/02...and-shape.html


    Cranial size and shape

    S. P. Pickering (Correlation of brain and head measurements, and relation of brain shape and size to shape and size of the head, American Journal of Physical Anthropology, Volume 15, Issue 1, Date: October/December 1930, Pages: 1-52):

    It is general knowledge that an increase in brain size runs parallel with an increase in head size and with a change from dolichocephaly to brachycephaly as we ascend the scale from the anthropoids to modern man. This appears primarily to be a volume phenomenon.

    A. Thomson (quoted in the above paper) notes that:

    Given a cavity of oval or ellptical form with elastic walls, the more its contents are increased the greater will be the tendency to assume a spherical shape.

    Pickering studied cadavers and their weight and volume directly, rather than relying on estimations from cephalic measurements:

    The specimens used in this work gave an average capacity for dolichocephalic skulls of 1402.8 cc.; for mesocephalic, 1474.8 and for brachycephalic, 1520.6 cc
    .

    The same tendency was shown in the size of the brains. The average size of the brains in this series was for the dolichocephalic heads, 1135.4 cc.; for the mesocephalic, 1144.2 cc., and for the brachycephalic, 1180.7 cc.

    The figures show a marked increase from the dolichocephalic to the brachycephalic type. Though the number of specimens of the dolichocephalic type is not sufficient to be conclusive proof, the fact that brachycephaly runs parallel with an increase in brain and head size is very evident.

    Interestingly, according to K. Beals et al. (Brain size, cranial morphology, climate, and time machines. Current Anthropology, 25, 301-330. ) there is a +0.37 correlation between cranial capacity and the cephalic index, i.e., broader-headed, more brachycephalic populations also have bigger cranial capacities.

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    Are you normal? When in OP is something about size? I don't care about size completely
    You mess in this thread only.

    I don't posted this photo to measure it's actual size because it's impossible moron.

    But it's fully possible estimate head shape from dividing pixel breadth and pixel length. Of course it didn't be super accurate but for sure it is possible to tell that this skull is not brachy for example.

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    Dienekes: proudly spreading unfounded BS since 2004.
    Spoiler!

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    Quote Originally Posted by Rolnik szuka zony View Post
    Are you normal? When in OP is something about size? I don't care about size completely
    You mess in this thread only.

    I don't posted this photo to measure it's actual size because it's impossible moron.

    But it's fully possible estimate head shape from dividing pixel breadth and pixel length. Of course it didn't be super accurate but for sure it is possible to tell that this skull is not brachy for example.
    LOL, the skull's brachycephaly has already been reliably proven. No need for your continued battle against reality.

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    Quote Originally Posted by Desperado View Post
    Dienekes: proudly spreading unfounded BS since 2004.
    Dolicocephalic boys: running away from the truth since Mitochondrial Eve stepped out of Africa and got raped like a whore:


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