Mimicry has been found to have played a vital role in human evolution. Mimicry aided survival by establishing communication. Mimicry then evolved to serve a social function.
In today's lesson, we look at how mimicry can have both a positive and negative effect. A new longitudinal study suggests that divorce is contagious. If your friends get divorced, you are more likely to do the same. However, long-lasting relationships can be contagious as well.