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Show your teeth or not: The role of the mouth and eyes in smiles and its cross-cultural variations

  • Chao Liu (a1) (a2), Yue Ge (a1), Wen-Bo Luo (a1) and Yue-Jia Luo (a1)


Previous studies with Westerners have found that both the mouth and eyes are crucial in identifying and interpreting smiles. We proposed that Easterners (e.g., Chinese and Japanese) evaluate the role of the mouth and eyes in smiles differently from Westerners. Individuals in collectivistic Eastern society heavily rely on information from the eyes to identify and interpret the meaning of smiles.



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