Human Brain Has Separate Circuits for Belly Laughs and Polite Chuckles
SMRTR summary
Spontaneous laughter and polite social chuckling activate different brain networks, according to new research from UK and Italian scientists. Studying epilepsy patients who had brain regions electrically stimulated, researchers found that genuine laughter involves emotional regulation circuits and actually boosts mood, while voluntary laughter only triggers motor control regions, offering clues about human social evolution.
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