In One Study, Compared to Normal Participants, Participants Injected with Botox

Multiple Choice

In one study, compared to normal participants, participants injected with Botox showed less brain activity while they imitated angry faces. Thus, it is indeed possible that these participants felt less emotion as a consequence of the Botox, according to which theory of emotion?

A) facial feedback hypothesis
B) the common sense theory
C) attribution theory
D) emotional appraisal theory