Robert Provine, Psychology, in Discovery News

A new study has found that people experience the most positive emotional reactions when they hear spontaneous, open-mouthed laughter, especially if the laughter comes from a woman.

The finding adds to a growing understanding of how laughing functions as a deeply-rooted form of unconscious communication between people, a topic that Robert Provine, professor of psychology, has studied extensively. He points out that laughter has roots that precede humanity.

The article, “Genuine, Open-Mouth Laughter Appreciated Most,” appeared November 16 in Discovery News.

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