Feb 3, 2016
How, not why, the human brain folds — By Leah Burrows | Harvard Gazette
Posted by Odette Bohr Dienel in category: science
“The distinctive troughs and crests of the human brain are not present in most animals; highly folded brains are seen only in a handful of species, including some primates, dolphins, elephants, and pigs. In humans, folding begins in fetal brains around the 20th week of gestation and is completed only when the child is about 18 months old.”