期刊
ANIMAL COGNITION
卷 17, 期 1, 页码 15-31出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10071-013-0633-z
关键词
Domestic dogs; Inhibitory control; Canine; Cognition
资金
- Vertical Integration Program
- Duke Undergraduate Research Support Office
- Office of Naval Research [N00014-12-1-0095]
- National Institute of Health [5 R03 HD070649-02]
Across three experiments, we explored whether a dog's capacity for inhibitory control is stable or variable across decision-making contexts. In the social task, dogs were first exposed to the reputations of a stingy experimenter that never shared food and a generous experimenter who always shared food. In subsequent test trials, dogs were required to avoid approaching the stingy experimenter when this individual offered (but withheld) a higher-value reward than the generous experimenter did. In the A-not-B task, dogs were required to inhibit searching for food in a previously rewarded location after witnessing the food being moved from this location to a novel hiding place. In the cylinder task, dogs were required to resist approaching visible food directly (because it was behind a transparent barrier), in favor of a detour reaching response. Overall, dogs exhibited inhibitory control in all three tasks. However, individual scores were not correlated between tasks, suggesting that context has a large effect on dogs' behavior. This result mirrors studies of humans, which have highlighted intra-individual variation in inhibitory control as a function of the decision-making context. Lastly, we observed a correlation between a subject's age and performance on the cylinder task, corroborating previous observations of age-related decline in dogs' executive function.
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