Choose Your Friends Wisely
نویسنده
چکیده
When we think of the word ‘‘contagious,’’ we often think of something negative, like the flu. But transmitted diseases aren’t the only thing that can quickly spread within a society—certain feelings, emotions, and behaviors can be easier to catch than the common cold. Does seeing others laugh or yawn make you want to do it too? You’re definitely not alone—‘‘behavioral contagion,’’ or the tendency for a behavior exhibited by one or more people to be rapidly copied by others, is a well-documented phenomenon in psychology. We practice our first yawns still in the womb—and keep doing it throughout our lives. Spontaneous yawning is a widespread behavior among vertebrates; on the other hand, it seems that only primates and highly social animals, such as dogs, experience contagious yawning. Laughter is another seemingly ordinary behavior that can become quite infectious. Stripped of all its nuances and connotations, it is just a collection of synchronized vocalizations, and, like yawning, is not under our conscious control. Think laughter outbreaks: sometimes tremendously comical, sometimes deeply embarrassing—we have all been there. Laughing is pervasive in primates, but other animals ‘‘laugh’’ too. For instance, rats emit vocalizations during their playful social activities and even when tickled by humans (Panksepp and Burgdorf, 2003; Ishiyama and Brecht, 2016). Descriptions of contagious laughter or other positive contagions in
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ورودعنوان ژورنال:
- Cell
دوره 169 شماره
صفحات -
تاریخ انتشار 2017