Re: Brain size, IQ

Richard Foy (
Fri, 6 Sep 1996 15:08:35 GMT

In article <50nadd$>,
Gerold Firl <> wrote:
>I have tried to estimate human genetic diffusion time, using very
>crude assumptions and modelling, and I get very short periods of time;
>something on the order of 10,000 years for genes to diffuse from one
>end of the old world ecumene to the other (say, zimbabwe to java). To
>me, the out-of-africa model of bands of h. sapiens migrating
>throughout the old world and displacing more archaic humans is clearly
>flawed; the anatomical continuity between modern populations and their
>pre-h. sap predecessors is enough to show that local populations have
>deep roots.

Could you please post the assumptions and model you used? Did you do
any work to establish the senstivity of your resuls to variations if
the different assumptions?

Thank you.

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