Multiple ways of conveying happiness

Updated:1 month ago IST

New Delhi, Jan 17 (ANI): Psychologists have debated how to classify human emotion for centuries. An ancient Chinese text--dating back as early as 213 B.C., then modified over the years--described seven "feelings of men" as joy, anger, sadness, fear, love, disliking and liking. A study conducted by journal of IEEE Transactions on Affective Computing revealed that while our faces can convey a multitude of emotions--from anger to sadness to riotous joy, only 35 expressions can actually convey these emotions across cultures. The differences in how our faces convey happiness can be as simple as the size of our smiles or the crinkles near our eyes, the study found. The study also found that humans use three expressions to convey fear, four to convey surprise, and five each to convey sadness and anger. The findings were built on Aleix Martinez and co-author Ramprakash Srinivasan previous work on facial expressions, which found that people can correctly identify other people's emotions about 75 per cent of the time based solely on subtle shifts in how blood flow colours a person's nose, eyebrows, cheeks or chin. Martinez and Srinivasan hoped to identify the facial configurations that convey emotion across cultures. Based on computer algorithms, they found that the human face is capable of configuring itself in 16,384 unique ways, combining different muscles in different ways.

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