In studies conducted in Papua New Guinea, found that even members of the Fore tribe, who were completely disconnected from Western culture, and also known for their unusual cannibalism rituals, attributed smiles to descriptions of situations the same way you and I would.
ポール・エクマンは パプアニューギニアで ある研究を行いました そこに住むフォレ族は 西洋文化とは全く接点がなく 特異の食人風習でも知られている部族ですが 彼らが笑顔になる状況は 私たちと同じでした