For 10 points, name these phenomena whose "micro" form can be used to tell if people are lying, and which might include frowning or smiling.
In a 1924 study of these phenomena, a 13-year-old boy diagnosed with emotional instability was forced to decapitate a rat in an experiment by Carney Landis's team. Wallace Friesen helped create a system of codes to categorize these phenomena with a man who worked with Maureen O'Sullivan on the Wizards Project. The FACS [F-A-C-S] classified these phenomena after a study of the Fore [FOR-ay] tribesmen in Papua New Guinea, which questioned their universality. As shown by Paul Ekman's worldwide studies, these phenomena may be used to illustrate (*) six basic types of emotion. In hospitals, children are often asked to point at one of five colored examples of these to say how they feel. For 10 points, name these phenomena whose "micro" form can be used to tell if people are lying, and which might include frowning or smiling.
In a 1924 study of these phenomena, a 13-year-old boy diagnosed with emotional instability was forced to decapitate a rat in an experiment by Carney Landis's team.
facial expressions [accept microexpressions] &lt;JM, SocSci&gt;