Dog owners who like to talk to their beloved Fido can rest assured that their pooch may actually understand what they are trying to say, according to a new study. Moreover, when dogs listen to someone talking, they may use brain regions that are equivalent to those that humans use to understand what others say, the researchers found. In other words, the new study shows that the brain mechanisms involved in the process of understanding human speech are similar in dogs and humans, said study co-author Attila Andics, a neuroscientist at Eötvös Loránd University in Budapest, Hungary.