Upright Posture: The Primary Categorical Human Trait

Filed under: Evolution, Language, Uncategorized

This blog maintains that upright posture is the sine qua non human trait because: 1) humanity is defined by a shift to collective functioning; 2) collective function requires a “public” communication system to coordinate the behavior of individuals; and 3) upright posture enabled the face-and-upper-body to become the instruments of the simultaneous-and-continuous communication that is …

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