Contact: Mary Beth O'Leary
Caption: You might think a wagging tail is a wagging tail, but for dogs there is more to it than that. Dogs recognize and respond differently when their fellow canines wag to the right than they do when they wag to the left. The findings reported in the Cell Press journal Current Biology on Oct. 31 show that dogs, like humans, have asymmetrically organized brains, with the left and right sides playing different roles.
Credit: Siniscalchi et al.
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Related news release: Dogs know a left-sided wag from a right