Science, Space and Technology News 2024
Image of a T. rex skeletal cast at Senckenberg Museum Frankfurt, Germany. T. rex lived at the end of the Cretaceous and was exclusive to western North America. Credit: Kai R. CasparAn international team of paleontologists, behavioral scientists, and neurologists have re-examined brain size and structure in dinosaurs and concluded they behaved more like crocodiles and lizards.had an exceptionally high number of neurons and were substantially more intelligent than assumed.
The research follows decades of analysis in which paleontologists and biologists have examined dinosaur brain size and anatomy, and used these data to infer behavior and lifestyle. Information on dinosaur brains comes from mineral infillings of the brain cavity, termed endocasts, as well as the shapes of the cavities themselves.
Dr Kai Caspar explained: “We argue that it’s not good practice to predict intelligence in extinct species when neuron counts reconstructed from endocasts are all we have to go on.”
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