%A Nicholas Humphrey
%J Psycoloquy
%T Why Grandmothers May Need Large Brains. (Commentary on Skoyles on Brain Expertise)
%X Skoyles's case against human brain size being related to IQ is strong; but his case in favor of its being related to expertise is weak. I propose that the explanation for the evolutionary expansion of the human brain in fact lies far away, in the need to have a brain that could continue to function into old age.
%N 024
%K brain size, evolution of intelligence, human life history, social intelligence hypothesis, human evolution
%P 1-3
%V 10
%D 1999
%L cogprints848

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