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The Domestication and Social Cognition in Dogs
When it comes to reading human cues, dogs win, hands down.
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As an anthropology student at Harvard, Brian Hare had a hunch. Although he was studying the cognitive capabilities of chimpanzees, his mind wandered to his youth, to playing fetch with his dog in the backyard. While the chimps he was analyzing failed to read his basic physical communications, Hare recalled how his dog would follow his pointed finger to a hidden stick or ball.” I was studying how chimp cognition compared to human cognition, and the chimps were doing poorly,” he says. “I thought to myself, ‘My dog can do this. This is ridiculous.’”

So he left the resources of one of the nation's premier science facilities and traveled to his parents’ garage in Atlanta, where his subjects included Daisy and Oreo—two Labrador Retrievers. After a few rudimentary tests, his hunch was confirmed, his interest was piqued and the theories on canine cognition were about to change.

Prompt
There is a dearth of scientific knowledge of the cognitive capabilities of domestic animals, especially dogs. Many scientists are lured by the glamour of studying exotic animals, or interested only in animal cognition as it relates to human cognition, Hare believes. “Physically, domesticated animals have smaller brains than wild specimens of the species,” he says. “People think that domesticated animals are dumb.” So when Hare shifted his cognitive focus from primates to pups, he was exploring territory that had not been scoured as heavily.

Ray Coppinger, professor of biology at Hampshire College in Amherst, Massachusetts, and author of Dogs: A Startling New Understanding of Canine Origin, Behavior, and Evolution (Scribner), lauds Hare’s quest. “As an initial experiment it’s rather interesting,” he says. “Hare is trying to get at the deeper message—the suggestion that dogs have minds.”

Process
Beginning in 1999, Hare led a research team made up of Michelle Brown, Christina Williamson and Michael Tomasello. They performed tests at the Boston Wolf Sanctuary, in a German laboratory and stateside at Harvard, the results of which, “The Domestication of Social Cognition in Dogs,” were published in the November 2002 issue of Science.

The group’s main test was labeled the object choice paradigm, in which “An experimenter hides a piece of food in one of two opaque containers, and the subject, who did not see where the food was hidden, is allowed to choose only one. Before presenting the subject with the choice, the experimenter gives a communicative cue indicating the food’s location, for example, by looking at, pointing to, tapping on, or placing a marker on the correct container.”

The team posed three hypotheses:

Canid Generalization HypothesisMany canids (especially wolves) should perform at least as well as dogs on social tasks, as has been found previously with non-social tasks.

“The idea was to compare our closest relative, chimps, to dogs and wolves and see who is more expert at reading humans,” says Hare.“ We thought we’d use chimps as the yardstick; it turned out that dogs are the experts.”

Human Exposure Hypothesis
Variation in individual dogs’ experience with humans will be associated with variation in task performance; and, as a corollary, young dogs should have relatively poor skills.

“What was fascinating was discovering that dogs don’t require exposure to humans to use these social cues,” says Hare.

Domestication Hypothesis
Dogs should be more skillful than wolves, and variations in experience with humans should not affect the performance of either species (and past a certain age, dog puppies should be as skillful as older dogs).

“The big surprise for me was the puppies,” says Hare. “They were litter-reared, and even at a young age they did well.”

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Submitted by Anonymous | December 2 2010 |

Is there any way to have access to the original paper written, “The Domestication of Social Cognition in Dogs”? I would love to read the full paper.

Submitted by Lisa Wogan | December 2 2010 |

The article is available online from Science Magazine. Here's a link: http://www.sciencemag.org/content/298/5598/1634.abstract

Submitted by Ann Mason | October 29 2011 |

This article goes into great detail to support one bit of wisdom which we dog lovers have had all along: Our four-legged pals are smart. It feels good to have this assurance, though.

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