Experimental evidence of massive-scale emotional contagion through social networks.

  title={Experimental evidence of massive-scale emotional contagion through social networks.},
  author={Adam D. I. Kramer and Jamie E Guillory and Jeffrey T. Hancock},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={111 24},
Emotional states can be transferred to others via emotional contagion, leading people to experience the same emotions without their awareness. Emotional contagion is well established in laboratory experiments, with people transferring positive and negative emotions to others. Data from a large real-world social network, collected over a 20-y period suggests that longer-lasting moods (e.g., depression, happiness) can be transferred through networks [Fowler JH, Christakis NA (2008) BMJ 337:a2338… CONTINUE READING
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