That make sense to me on the Homo sapiens Neanderthal brain . They were less social than Homo sapiens Africana ! Especially in sex sociality . My thesis on significant dissappearance of Neanderthals into the Africana populations expanding out of Africa is that the Africans had more sex and therefore their population grew and expanded over land north to Northwest Asia ( so-called Europe ) ; and the Neanderthal population didn’t . And when they came into contact with each other, the Neanderthals mated with the Africana more than the Neands mated with each other . Africans absorbed Neanderthals. That’s why I say “disappeared into Africana population.”<


Dalon :"Despite having larger brains, Neanderthals appeared to lack the same internal brain organization as Homo sapiens, with a relatively smaller portion of the brain dedicated to higher-level thinking, such as complex social networking and abstract thought. ​Specifically, more of the Neanderthal brain was dedicated to vision and body control (needed for their larger bodies and larger eyes, possibly due to higher-latitude adaptations), leaving less neural tissue available for the frontal and parietal lobes that are associated with complex cognition in modern humans. "