Sentences with phrase «unusually large brain»

With their unusually large brains relative to their body size and advanced cognition, parrots live in a complex social environment — not merely in a large population of cooperating creatures, such as bees or ants, but in a dynamic setting of alliances and competitors.

Not exact matches

In Japan, dementia researcher Masahito Yamada at Kanazawa University is making his way through a large number of such autopsy specimens and says that the 16 brains he has examined so far show signs of unusually high levels of amyloid deposition in cerebral blood vessels.

The team found that ARHGAP11B was also present in Neanderthals and Denisovans, human cousins with similarly sized brains, but not in chimpanzees, with which we share 99 percent of our genome — further support for the idea that this gene could explain our unusually large human brains.