Who is smarter: dogs or cats? It's not really meaningful question. Cats have brains suited to the life of a cat, and dogs have the perfect brain for being a dog. But it's interesting to learn about the relative cognitive power and density of animals, which are presented in an article in this month's Scientific American called "Battle of the Brains." The article is behind a paywall, but here are some highlights:
*A bigger brain doesn’t necessarily make an animal smarter. Calculating neuron density within the cerebral cortex provides a better understanding of cognitive power.
*The cerebral cortex is the part of the brain that integrates all kinds of information, makes decisions, interprets emotions, solves problems, and creates complex behavior. The neurons in the cerebral cortex act like tiny information processors to form thoughts.
*A new count of these cells shows that humans have around 16 billion neurons in an average-sized cortex. A typical mutt has almost 430 million neurons in its cortex, whereas a cat has just 250 million. Raccoons beat them both with almost 440 neurons within a cat-sized cortex.
Image: By Sonsedska Yuliia/Shutterstock
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