Newfound brain structure explains why some birds are so smart—and maybe even self-aware

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Newfound brain structure explains why some birds are so smart—and maybe even self-aware
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In honor of WorldBrainDay🧠, learn more about two groundbreaking studies of the brain structure that explains why some birds are so smart—and maybe even self-aware.

. But their lack of a neocortex—the area of the mammalian brain where working memory, planning, and problem solving happen—has long puzzled scientists. Now, researchers have found a previously unknown arrangement of microcircuits in the avian brain that may be analogous to the mammalian neocortex. And in a separate study, other researchers have linked this same region to conscious thought.

Indeed, it was because of birds' and mammals' similar cognitive abilities that Martin Stacho, a neuroanatomist at Ruhr-University Bochum, decided to investigate the avian forebrain, which controls perception. A gross comparison of mammalian and avian brains suggests"they have nothing in common," he says."Yet birds and mammals have many of the same cognitive skills."

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