Brain Size Didn't Drive Evolution, Research Suggests
Tia Ghose, LiveScience Staff Writer
Date: 26 March 2013 Time: 08:01 PM ET
Brain organization, not overall size, may be the key evolutionary difference between primate brains, and the key to what gives humans their smarts, new research suggests.
In the study, researchers looked at 17 species that span 40 million years of evolutionary time, finding changes in the relative size of specific brain regions, rather than changes in brain size ,.. [Read more] ....