Among aficionados of early silent films, Lev Kuleshov, t he Soviet film director, is known for his use of editing to evoke different emotions. He took shots of an actor posing with a neutral expression and placed them after various scenes, such as one of a bowl of soup, a child's coffin, or a seductively dressed woman. Depending on the preceding shot, t he actor's "neutral" expression seemed to change—from one of hunger to sadness and then to lust (see YouTube video) . Facial expressions offer potent displays of emotions, though the "Kuleshov effect" shows that expressions can be ambiguous and thus depend upon the context or situation. Following a close-up shot of a person crying a zoom out could show a funeral scene, though it could just as likely reveal a wedding procession. Even in the same setting, identical expressions may be perceived differently. Check out the clever drawing by psychologist Roger Shepard which shows a perc