Psychology Commons^™

The Perception Of Spontaneous And Volitional Laughter Across 21 Societies, Gregory A. Bryan, Daniel M. Fessler, Riccardo Fusaroli, Edward Clint, Dorsa Amir, Brenda Chavez, Kaleda K. Denton, Cinthya Diaz, Lealaiailoto T. Duran, Jana Fancovicova, Michal Fux, Erni F. Ginting, Youssef Hasan, Anning Hu, Shanmukh V. Kamble, Tatsuya Kameda, Kiri Kuroda, Norman P. Li, Et Al

Research Collection School of Social Sciences

Laughter is a nonverbal vocalization occurring in every known culture, ubiquitous across all forms of human socialinteraction. Here, we examined whether listeners around the world, irrespective of their own native language andculture, can distinguish between spontaneous laughter and volitional laughter—laugh types likely generated by differentvocal-production systems. Using a set of 36 recorded laughs produced by female English speakers in tests involving 884participants from 21 societies across six regions of the world, we asked listeners to determine whether each laugh wasreal or fake, and listeners differentiated between the two laugh types with an accuracy of 56% to 69%. Acoustic analysisrevealed that …