... 23); and in C, she is concentrating onsomething uncertain or unpleasant, which results in a furrowedbrow (AU 4). Staring, bracing for action, and concentration—even in the absence of any feelings ... exaggerate and combine any nonverbalmovements you could. You might pause, scratch your head, rubyour chin, and while staring into space slowly move your handsup and down as if weighing two options. ... proposed to account for the resulting expressions, most of which are patterns consisting of distinguishableparts. In the present study, 4 Hollywood films noted for fine acting and realism were examined...