期刊
ANIMAL COGNITION
卷 16, 期 6, 页码 1007-1009出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10071-013-0669-0
关键词
Contagious yawning; Domestic dogs; Social modulation; Stress
The present short note aimed at further exploring data from a recent study showing socially modulated auditory contagious yawning in domestic dogs (Canis familiaris). Two independent observers further extended the analysis of all video recordings made in the previous study and coded both the number of yawns performed by the dogs and the frequencies or durations of stress-related behaviors exhibited throughout the presentation of familiar and unfamiliar yawns. By showing no significant difference between conditions in the frequencies or durations of the coded behaviors, nor any association between the number of yawns and the frequencies or durations of stress-related behaviors, results raised doubt on the stress-induced yawn hypothesis, thus supporting social modulation. The exact mechanism underlying contagious yawning, however, needs further research.
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