1. Notes: 10 / 8 months ago 

    More of my Wikipedia discoveries..

    Cephalic index is the ratio of the maximum width of the head multiplied by 100 divided by its maximum length (i.e., in the horizontal plane, or front to back).

    The index was widely used by anthropologists in the early twentieth century to categorize human populations, and by Carleton S. Coon in the 1960s. 

    Human populations were characterized as either dolichocephalic (long headed), mesaticephalic (moderate headed), or brachycephalic (broad headed).

    The usefulness of the cephalic index was questioned by Giuseppe Sergi, who argued that cranial morphology provided a better means to model racial ancestry.[1] However Franz Boas studied the children of immigrants to the United States in 1910 to 1912, noting that the children’s cephalic index differed significantly from their parents’, implying that local environmental conditions had a significant impact on the development of head shape.[2]

    Boas argued that if craniofacial features were so malleable in a single generation, then the cephalic index was of little use for defining race and mapping ancestral populations.

    (Source: Wikipedia)

  2. Notes

    1. andrewnonumbers posted this
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