Bioscience: Dogs found to understand categories of objects
Border collie Arya, lives in Italy Owners can't say "pizza" out loud because she understands the category food, loves pizza and goes nuts A SciAm article discusses the finding that dogs recognize categories of objects, which human toddlers do. These dogs extend words to new objects based on function the way children do in early language learning. In a study published in Current Biology , owners of 10 talented dogs taught their talented dogs words for objects in two categories: tug toys, called “pulls,” and fetch toys, called “throws.” All toys were different in size, shape and color so appearance could not guide learning. The article comments: After four weeks of training, brand-new toys with a variety of designs were introduced. This time the dogs only experienced each toy’s function, either tugging or fetching, during play; they were not taught words for any of them. After a week of play, when asked to fetch a pull or a throw, the seven dogs that completed all e...