Facial expressions smile
Engineer Rana el Kaliouby is set to change the way we interact with our devices—and each other
Smile, Frown, Grimace and Grin — Your Facial Expression Is the Next Frontier in Big Data. Engineer Rana el Kaliouby is set to change the way we interact with.
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living humans had the same set of basic emotions, with corresponding facial expressions as part of our genetic inheritance. Smiles and frowns.
Description:Historical background[ edit ] An Arab girl smiling Primatologist Signe Preuschoft traces the smile back over 30 million years of evolution to a "fear grin" stemming from monkeys and apes who often used barely clenched teeth to portray to predators that they were harmless, or to signal submission to more dominant group members. The smile may have evolved differently among species and especially among humans. Also, other types of primates can express this gesture as a symbol of happiness and fun. Social effects[ edit ] A smile seems to have a favorable influence upon others and makes one likable and more approachable. Smiling is sometimes a pre-laughing device and is a common pattern for paving the way to laughter; Smiling can be used as a response to laughter in the previous turn. One of these is advertisement of sexual interest.
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