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Expressing Emotions On Face: Not A Product Of Cultural Learning
Published in the Journal of Personality and Social Psychology, this is the first study to suggest that facial expressions of emotion are innate rather than a product of cultural learning.
During the study, sighted as well as blind individuals were found to use the same facial expressions, producing the same facial muscle movements in response to specific emotional stimuli.
Lead researcher David Matsumoto, a professor of Psychology at San Francisco State University, said that the study also provided new insight into how humans manage emotional displays according to social context, suggesting that the ability to regulate emotional expressions is not learnt through observation.
He revealed that the research team compared the facial expressions of sighted and blind judo athletes at the 2004 Summer Olympics and Paralympic Games.
The researcher said that over 4,800 photographs were captured and analysed, including images of athletes from 23 countries.
"The statistical correlation between the facial expressions of sighted and blind individuals was almost perfect. This suggests something genetically resident within us is the source of facial expressions of emotion," Matsumoto said.
He and his colleagues observed that both sighted and blind individuals managed their expressions of emotion in the same way according to social context.
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