Brain size, IQ, and racial-group differences: Evidence from musculoskeletal traits

  title={Brain size, IQ, and racial-group differences: Evidence from musculoskeletal traits},
  author={J. P. Rushton and E. W. Rushton},
A review of the world literature on brain size and IQ by Rushton [Rushton, J. P. (1995). Race, evolution, and behavior: a life history perspective. New Brunswick, NJ: Transaction] found that African-descended people (Blacks) average cranial capacities of 1267 cm 3 , European-descended people (Whites) 1347 cm 3 , and East Asian-descended people (East Asians) 1364 cm 3 . These brain size differences, containing millions of brain cells and hundreds of millions of synapses, were hypothesized to… Expand

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