Serotonin can act as a growth factor for the stem cells in the fetal human brain that determine brain size. During human evolution, the size of the brain increased, especially in a particular part ...

The expansion of the human brain during evolution, specifically of the neocortex, is linked to our cognitive abilities such as reasoning and language. A certain gene called ARHGAP11B that is only ...

The six-layered neocortex of the mammalian pallium has no clear homolog in birds or non-avian reptiles. Recent research indicates that although these extant amniotes possess a variety of divergent and ...