Replicating folding of a fetal human brain

Feb 2016

The distinctive troughs and crests of the human brain are actually not present in most animal brains; 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 a year and a half.

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