Many important cultural skills, and not just food production, take a long time to learn; and that not all abilities peak in middle adulthood as previously thought.

"While most skill development studies have focused on subsistence skills like hunting, we wanted to examine the wider range of complementary skills that develops among aging humans," said lead study author Eric Schniter, clinical assistant professor in Chapman University in California, US.
In the field, the researchers interviewed 421 Tsimane adults across eight villages in the Bolivian Amazon.
They found that when it comes to many of the skills requiring lots of knowledge - but not necessarily high-strength--such as music, storytelling, making bows and arrows, and textile production, seniors in the community report the most proficiency and are regarded by others as most expert.
"Many important cultural skills, and not just food production like previously argued, take a long time to learn; and that not all abilities peak in middle adulthood as previously thought," Schniter said.
"In (Tsimane) society people have an appreciation for that and they defer those roles to older adults," Schniter noted.
Along with the skills specific to life in their traditional subsistence society in the Amazon, seniors were the age group that excelled most at planning, conflict negotiation, and delegation.
The findings appeared in the American Journal of Physical Anthropology.
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