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dimarts, 26 d’abril de 2016

La risa indicaría al que escucha el grado de amistad del que ríe


Laughter plays a crucial role in every culture across the world. But it’s not clear why laughter exists. While it is evidently an inherently social phenomenon – people are up to 30 times more likely to laugh in a group than when alone – laughter’s function as a form of communication remains mysterious.

A new study published in the Proceedings of the National Academy of Sciences, and involving a large group of researchers led by Gregory Bryant from UCLA, suggests that laughter may indicate to listeners the friendship status of those laughing. The researchers asked listeners to judge the friendship status of pairs of strangers and friends based on short snippets of their simultaneous laughter. Drawn from 24 different societies, they found that listeners were able to reliably distinguish friends from strangers, based on specific acoustic characteristics of the laughter. / Jordan Raine PhD Researcher, Nature and Function of Human Nonverbal Vocalisations , University of Sussex
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