These findings are important, Semin and colleagues argue, because they contradict the common assumption that human communication occurs exclusively through language and visual cues.
Rather, the findings provide support for the embodied social-communication model, suggesting that chemosignals act as a medium through which people can be "emotionally synchronized" outside of conscious awareness.
The researchers acknowledge that these effects could very well contribute to the kind of emotional contagion that is often observed in situations involving dense crowds.
The study was co-authored by Jasper H. B. de Groot, Monique A. M. Smeets, Annemarie Kaldewaij, and Maarten J. A. Duijndam of the University of Utrecht.
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