The appearance of a frown varies from culture to culture, there appears to be some degree of universality to the recognition of the frown as a negative facial expression.
While the appearance of a frown varies from culture to culture, there appears to be some degree of universality to the recognition of the frown as a negative facial expression. The appearance of a frown varies from culture to culture.
The appearance of a frown varies from culture to culture. While the appearance of a frown varies from culture to culture, there appears to be some degree of universality to the recognition of the frown as a negative facial expression.
The appearance of a frown varies from culture to culture. While the appearance of a frown varies from culture to culture, there appears to be some degree of universality to the recognition of the frown as a negative facial expression.