Sentences with phrase «encephalization quotient»

[ii] Compared to our primate cousins, humans have a much smaller gut and yet characteristically larger brains (i.e. a higher encephalization quotient).

As you'd expect from the above data, the encephalization quotient (a measure of brain size compared to body size) for the Dmanisi hominids and the Turkana Boy is well below that of modern humans (6.3):

Deaner, R. O., Isler, K., Burkart & J. & van Schaik, C. P. Overall brain size, and not encephalization quotient, best predicts cognitive ability across non-human primates.

In support of that claim, one widely cited study found that the ratio of brain volume to body mass — commonly referred to as the encephalization quotient, or EQ — was the same for Cro - Magnons as it is for us.