Study Babies Laugh Like Monkeys More Than They Laugh Like People
“Adult humans sometimes laugh on the inhale but the proportion is markedly different from that of infants’ and chimps’ laughs,” study coauthor Disa Sauter, a psychologist and professor at the University of Amsterdam in the Netherlands, said in a statement. “Our results so far suggest that this is a gradual, rather than a sudden, shift.” Baby laughter is essential for parent-child bonding, and an important way for pediatricians to track cognitive development, research shows....