Purdue News PhotosPurdue News Photos
08/98-- Purdue researchers Scott Vrana (left) and David Rollock study social encounters between people of different races. In their latest study, the two found that race affects physical body reactions during such encounters. Facial expressions are an important part of these exchanges and are measured by electrodes placed on the face as demonstrated by the researchers.
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(Purdue News Service Photo by David Umberger)
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