By Dr. Mallika Marshall

BOSTON (CBS) – Who’s smarter, your dog or your cat? According to a new study, it’s probably your dog.

Scientists counted the number of neurons or brain cells in the brains of a variety of carnivores and found that dogs’ brains have more than twice the number of neurons as cats’ brains.

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As it turns out the size of the brain is not what matters the most. It’s probably the number of neurons that are residing in the brain.

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Because dog brains possess more neurons, scientists say they probably are capable of doing more complex and flexible things with their lives than cats can.

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Interestingly, raccoons are particularly brainy. While they have a fairly small brain, they have as many neurons packed inside as you might expect to find in a primate.

Dr. Mallika Marshall