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Real Smiles, Fake Smiles: What’s the Difference?

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on June 13, 2013

Real Smiles, Fake Smiles: What's the Difference? Most would agree that smiles are contagious. But can there be a social benefit from a fake smile?

New research suggests that not all smiles are created equal, that people respond differently to smiles that are not genuine. In fact, differing responses may reflect the unique social value of genuine smiles.

“These findings give us the first clear suggestion that the basic processes that guide responses to reward also play a role in guiding social behavior on a moment-to-moment basis during interactions,” said psychological scientist and lead researcher Dr. Erin Heerey of Bangor University (UK).

The new research is reported in the journal Psychological Science.

“No two interactions are alike, yet people still manage to smoothly coordinate their speech and nonverbal behaviors with those of another person,” Heerey said.

She wondered whether the intrinsic value of different social cues like smiles may play a role in shaping our response to those cues. Polite smiles, for example, typically occur when sociocultural norms dictate that smiling is appropriate.

Genuine smiles, on the other hand, signify pleasure, occur spontaneously and are indicated by engagement of specific muscles around the eye.

If genuine smiles are a form of social reward, Heerey hypothesized, people should be more likely to anticipate genuine smiles than relatively less rewarding polite smiles.

An observational study showed that pairs of strangers getting to know one another not only exchanged smiles, they almost always matched the particular smile type, whether genuine or polite.

However, the response to a partners’ genuine smile was much more rapid, suggesting they were anticipating the genuine smiles.

Similarly, participants in a lab-based study learned key-press associations for genuinely smiling faces faster than those for politely smiling faces. Data from electrical sensors on participants’ faces revealed that they engaged smile-related muscles when they expected a genuine smile to appear but showed no such activity when expecting polite smiles.

Researchers believe the different responses suggest that genuine smiles are more valuable social rewards.

Previous investigation has shown that genuine smiles promote positive social interactions, so learning to anticipate them is likely to be a critical social skill.

One of the novel aspects of the research, said Heerey, is the combination of naturalistic observation and controlled experimentation, which allowed her to explore the richness of real-life social interactions while also affording her the opportunity to investigate possible causal relationships.

Heerey believes that this approach could yield important applications over time.

“As we progress in our understanding of how social interactions unfold, these findings may help to guide the development of interventions for people who find social interactions difficult, such as those with social anxiety, autism, or schizophrenia,” she said.

Source: Association for Psychological Science

Grandfather and grandson smiling photo by shutterstock.

 

APA Reference
Nauert, R. (2013). Real Smiles, Fake Smiles: What’s the Difference?. Psych Central. Retrieved on September 21, 2014, from http://psychcentral.com/news/2013/06/13/real-smiles-fake-smiles-whats-the-difference/55984.html