It's officially news: T. rex had baboon-like numbers of brain neurons, which means it had what it takes to build tools, solve problems, and live up to 40 years, enough to build a culture!

Based on CT scan reconstructions, the T. rex brain was probably “ a long tube that has very little in terms of the cortical expansion that you see in a primate or a modern bird,” said ...

According to Caspar and his colleagues, this was one of the main problems with the 2023 study: that it overestimated the brain size of T. rex by assuming the brain filled the whole endocranial cavity.

Item 1 of 2 Visitors look at a 67 million year-old skeleton of a Tyrannosaurus rex, named Trix, at the French National Museum of Natural History in Paris, France, June 6, 2018.

Based on CT scan reconstructions, the T. rex brain was probably “ a long tube that has very little in terms of the cortical expansion that you see in a primate or a modern bird,” said ...

Canny as a crocodile but dumber than a baboon — new research ponders T. rex's brain power. Corinne Purtill. April 29, 2024 at 3:00 AM. Copied; ...

T-Rex may not have big brain energy — but it might have been smarter than previously thought. For decades we've thought of the Tyrannosaurus Rex as enormous and terrifying though not ...

Even then, we're talking about the difference between a T. rex brain being baboon- or monkey-sized," Herculano-Houzel said. "Their conclusion hinges on a single extremely important point: ...