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Detecting affiliation in colaughter across 24 societies.


ABSTRACT: Laughter is a nonverbal vocal expression that often communicates positive affect and cooperative intent in humans. Temporally coincident laughter occurring within groups is a potentially rich cue of affiliation to overhearers. We examined listeners' judgments of affiliation based on brief, decontextualized instances of colaughter between either established friends or recently acquainted strangers. In a sample of 966 participants from 24 societies, people reliably distinguished friends from strangers with an accuracy of 53-67%. Acoustic analyses of the individual laughter segments revealed that, across cultures, listeners' judgments were consistently predicted by voicing dynamics, suggesting perceptual sensitivity to emotionally triggered spontaneous production. Colaughter affords rapid and accurate appraisals of affiliation that transcend cultural and linguistic boundaries, and may constitute a universal means of signaling cooperative relationships.

SUBMITTER: Bryant GA 

PROVIDER: S-EPMC4855576 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Detecting affiliation in colaughter across 24 societies.

Bryant Gregory A GA   Fessler Daniel M T DM   Fusaroli Riccardo R   Clint Edward E   Aarøe Lene L   Apicella Coren L CL   Petersen Michael Bang MB   Bickham Shaneikiah T ST   Bolyanatz Alexander A   Chavez Brenda B   De Smet Delphine D   Díaz Cinthya C   Fančovičová Jana J   Fux Michal M   Giraldo-Perez Paulina P   Hu Anning A   Kamble Shanmukh V SV   Kameda Tatsuya T   Li Norman P NP   Luberti Francesca R FR   Prokop Pavol P   Quintelier Katinka K   Scelza Brooke A BA   Shin Hyun Jung HJ   Soler Montserrat M   Stieger Stefan S   Toyokawa Wataru W   van den Hende Ellis A EA   Viciana-Asensio Hugo H   Yildizhan Saliha Elif SE   Yong Jose C JC   Yuditha Tessa T   Zhou Yi Y  

Proceedings of the National Academy of Sciences of the United States of America 20160411 17


Laughter is a nonverbal vocal expression that often communicates positive affect and cooperative intent in humans. Temporally coincident laughter occurring within groups is a potentially rich cue of affiliation to overhearers. We examined listeners' judgments of affiliation based on brief, decontextualized instances of colaughter between either established friends or recently acquainted strangers. In a sample of 966 participants from 24 societies, people reliably distinguished friends from stran  ...[more]

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