Those forced to exercise their smiling muscles reacted more enthusiastically to funny cartoons than did those whose mouths were contracted in a frown, suggesting that expressions may influence emotions rather than just the other way around.(完形. 2011. 英语一)
那些被迫锻炼笑肌的人比那些愁眉苦脸的人对滑稽的卡通画册反应更为热烈,这表明表情也可以影响情绪而非只能是情绪影响表情。