Studies using electromyography (EMG) to measure facial reactions have found what gender differences in expressivity? (Note: the zygomatic muscle is involved in smiles and the corrugator muscle is involved in negative expressions like anger and fear)

Question

Quizplus · Accepted Answer

Studies have consistently found that women have more zygomatic activity (smiling) when viewing positive images and more corrugator activity (negative expressions like anger and fear) when viewing negative images, compared to men. This suggests that women are generally more expressive than men when it comes to facial reactions.

Studies Using Electromyography (EMG) to Measure Facial Reactions Have Found