Selective breeding leads to brain shift in dogs

08/3/2010 | RedOrbit

Years of selective breeding in dogs has led to a shift in the position of the brain and its olfactory center in some breeds, according to new research from the universities of New South Wales and Sydney. "As a dog's head or skull shape becomes flatter -- more pug-like -- the brain rotates forward and the smell center of the brain drifts further down to the lowest position in the skull," said researcher Michael Valenzuela.

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