>>12380453Larger brains don't always correlate with higher intelligence, at least that we can test for. Elephants and some whales have larger brains than humans and we assume they aren't intelligent.
That being said, yes the humanoids is past yugas were so much more intelligent than us we can't even understand it with our tiny brains and consciousnesses in this yuga.
Pretty decent vid on this topic
Ancient Lost Knowledge in Vedic Writings Discuss Vast Epochs of Civilization
https://ugetube.com/watch/ancient-lost-knowledge-in-vedic-writings-discuss-vast-epochs-of-civilization_x5LVj1J4XEdDjcR.html 
