We are all `persons' who speak from behind a mask ... . This `mask' is the musculature of our face, which regulates our social roles just as surely as the Greco-Roman mask did for the actor who wore it.
[ Figure 3.1.: The Facial Mask ([Pernkopf 1963]) ]
[ Table 3.1.: Major Mimetic Muscles of the Face and Scalp ([Fridlund 1994]) ]