Scientists from the University of Helsinki in the framework of the Canine Mind project found that dogs so love a human smile that even looking at it can even ignore the impending danger, the authors of the study write in the scientific journal Frontiers in Psychology. In addition, a little earlier, scientists have already proved that pets can save from depression. 43 dogs participated in the experiment. To each of them, scientists showed photographs with angry and smiling faces. Each animal passed the test two times. The first time they were under the influence of oxytocin (oxytocin – a hormone associated with emotions such as trust and love), the second time – without it.
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