Study: Dogs are smarter than cats

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(WAND) - The verdict is out dogs are smarter than cats, according to a study by researchers at Vanderbilt University.

The study found dogs have twice as many neurons as cats in their cerebral cortex. The cerebral cortex is associated with thinking, planning and complex behavior.

As far as dogs and cats go, the study found that dogs have about 530 million cortical neurons while cats have about 250 million. (That compares to 16 billion in the human brain.)

“I believe the absolute number of neurons an animal has, especially in the cerebral cortex, determines the richness of their internal mental state and their ability to predict what is about to happen in their environment based on past experience,” said Associate Professor of Psychology and Biological Sciences Suzana Herculano-Houzel.

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