Bigger Dogs are Smarter Than Smaller Dogs in Some Areas, Study Finds

It turns out bigger dogs are smarter than smaller dogs on certain measures of intelligence, finds a University of Arizona study of 7,000 dogs from 74 different breeds.

Larger-brained dogs have better short-term memory and self-control than smaller dogs. But, in terms other types of intelligence, big dogs didn’t necessarily perform better. Brain size didn’t predict each dog’s ability to follow human pointing gestures or a dog’s physical reasoning ability.

The lead study author says the jury is out on how brain size may relate to cognition.

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