We Have Got Human Intelligence All Wrong?
While scientists can’t agree on a single definition of “intelligence,” they generally concur that humans are the most intelligent living creature on Earth. However, it is certainly not due to possessing a 3 pounds brain, as a sperm whale has a brain that weighs about 17 pounds. On the other hand, some relatively “smart” animals have small brains – for example, a beagle’s brain is about 2.5 ounces, and an orangutan’s is about 13 ounces. Perhaps it has to do with the different components of the brain. Humans have the largest cerebral cortex of all mammals, relative to the size of their brains. This area houses the cerebral hemispheres, which are responsible for higher functions like memory, communication and thinking. This article explores these related ideas.
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