Human Brain Has Separate Circuits for Belly Laughs and Polite Chuckles

Other: neuroscience(gizmodo.com)view on HackerNews
spontaneous laughterbrain networksmotor controlemotional regulationneuroscience

Author: gmays

Date: 6/25/2026

Article Summary:
Research suggests that spontaneous laughter and polite chuckles are regulated by different brain networks, with spontaneous laughter tied to motor control and emotional regulation.