Sex differences in emoji use, familiarity, and valence

Emojis (particularly smiley emojis, ☺) are increasingly used in computer-mediated communication as well as in applied domains within marketing, healthcare, and psychology. The emotional negativity bias in the facial emotion processing literature posits that women are more sensitive to negative facial emotion than are men. Given the similarity in neural processing between human faces and smiley emojis, women may likewise view negative smiley...