Far from mere reactions to jokes, hoots and hollers are serious business: They’re innate — and important — social tools.
Whether overheard in a crowded restaurant, punctuating the enthusiastic chatter of friends, or as the noisy guffaws on a TV laugh track, laughter is a fundamental part of everyday life. It is so common that we forget how strange — and important — it is. Indeed, laughter is a “speaking in tongues” in which we’re moved not by religious fervor but by an unconscious response to social and linguistic cues. Stripped of its variation and nuance, laughter is a regular series of short vowel-like syllables usually transcribed as “ha-ha,” “ho-ho” or “hee-hee.” These syllables are part of the universal human vocabulary, produced and recognized by people of all cultures.
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