US EditionResearchers Say Dance and Lullabies Are Learned, Not Hardwired
- A study published in Current Biology in 2025 focused on the Northern Achë, a small Indigenous community of approximately 800 individuals in Paraguay, revealing that they do not engage in singing or dancing to soothe infants.
- The study attributes this absence to demographic turmoil caused by an early split between Northern and Southern Ach, epidemics, forced child removal, and reservation settlement.
- Anthropologist Kim Hill, who has studied the Northern Ach since the 1970s, reported never observing dancing or lullabies for infants during decades of research.
- Co-Author Manvir Singh emphasized that learning and passing down traditions through culture play a far more significant role in preserving these behaviors than many experts had previously believed, highlighting the necessity for humans to acquire and share such practices.
- The findings imply that dancing and singing lullabies are not universal innate behaviors but culturally learned and maintained, though genetic adaptations may still exist.
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