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Great apes may have been laughing with a similar rhythm to modern humans for at least 15 million years, suggests study in @commsbio.nature.com. Findings suggest laughter has become faster, more variable, and increasingly influenced by the situation it occurs in. 🧪 #evosky #evolution

spklr.ioRhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum - Communications BiologyComparative analysis of laughter rhythm across all extant great apes reveals that isochrony is ancestral to hominids, with tempo, variability, and context-sensitivity increasing progressively toward humans, tracing a continuum of vocal plasticity.

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