
Social networks explain why independent cultures interpret the world in similar ways
Jan. 13 (UPI) -- How can cultures that developed on opposite sides of the world come to similar understandings about colors, shapes, familial relationships and other categorical systems? The traditional explanation for this cross-cultural continuity is that humans are born with categories wired into their brains. Advertisement Researchers with the Annenberg School for Communication at the University of Pennsylvania, however, have an alternative explanation. It's not the human brain, exactly, that yields categorical consensus across disparate groups, researchers contend in a new paper, published in the journal Nature Communications, but the dynamics of consensus building among large groups of people. The phenomenon of "category convergence" has long been recognized by archaeologists in th...