Bolló Henrietta, Kiss Orsolya, Kis Anna, Topál József
Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Magyar tudósok krt 2., 1117 Budapest, Hungary.
Center for Health Sciences, SRI International, Menlo Park, CA, USA.
iScience. 2021 Jun 24;24(8):102763. doi: 10.1016/j.isci.2021.102763. eCollection 2021 Aug 20.
It is increasingly assumed that domestication has equipped dogs with unique socio-cognitive skills, which raises the possibility of intriguing parallels between the social motivational systems of the two species. However, the positive incentive value of human facial stimuli is a largely unexplored area. Here, we investigated whether the owner's face serves as a social reinforcer. In a two-way choice task N = 39 dogs were presented with a short video about their owners' head showing the face (facing owner [FO]) vs. the back of the head (non-facing owner). Despite both locations containing equal food reward, dogs approached the container associated with FO more frequently (p < .001), and this was not affected by side, trial order, and choice latency. However, the considerable inter-individual differences in dogs' task performance suggest that the added social component required special social skills which need to be further explored.
越来越多的人认为，驯化使狗具备了独特的社会认知技能，这增加了两种物种的社会动机系统之间存在有趣相似之处的可能性。然而，人类面部刺激的积极激励价值在很大程度上仍是一个未被探索的领域。在这里，我们研究了主人的脸是否作为一种社会强化物。在一项双向选择任务中，39只狗观看了一段关于它们主人头部的短视频，视频展示的是脸（面对主人[FO]）与后脑勺（背对主人）。尽管两个位置都有等量的食物奖励，但狗更频繁地接近与面对主人相关的容器（p <.001），这不受方向、试验顺序和选择潜伏期的影响。然而，狗在任务表现上存在相当大的个体差异，这表明额外的社会成分需要特殊的社交技能，这有待进一步探索。
