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November 17, 1906


JAMA. 1906;XLVII(20):1660. doi:10.1001/jama.1906.02520200056007

There is little doubt that the race feeling which is present in those states which contain a large negro population is due to the fundamental differences of a psychologic and temperamental character between the two peoples. It is interesting, therefore, to find in Bean's1 recent paper the evidence that there are anatomic differences in the brain of the negro which distinguish it from the brain of the Caucasian, and which doubtless account for the differences in mental character which distinguish the two races. The negro brain is smaller than the brain of the Caucasian, especially so far as the frontal lobes are concerned and the areas having to do with the association of this part of the brain with other regions. From what we know of the functions of the frontal lobes, and of the mental differences between the races, Bean concludes that the lower mental faculties of the